| Base | Representation |
|---|---|
| bin | 101000000000011… |
| … | …0110110111100100 |
| 3 | 10110112222002101100 |
| 4 | 1100000312313210 |
| 5 | 10222123331040 |
| 6 | 341112200100 |
| 7 | 45160141341 |
| oct | 12000666744 |
| 9 | 3415862340 |
| 10 | 1342402020 |
| 11 | 629829563 |
| 12 | 315699030 |
| 13 | 185162c2b |
| 14 | ca3db7c8 |
| 15 | 7ccb8b30 |
| hex | 50036de4 |
1342402020 has 144 divisors (see below), whose sum is σ = 4173990912. Its totient is φ = 349090560.
The previous prime is 1342402013. The next prime is 1342402027. The reversal of 1342402020 is 202042431.
It is an interprime number because it is at equal distance from previous prime (1342402013) and next prime (1342402027).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1342401984 and 1342402002.
It is not an unprimeable number, because it can be changed into a prime (1342402027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2127105 + ... + 2127735.
It is an arithmetic number, because the mean of its divisors is an integer number (28986048).
Almost surely, 21342402020 is an apocalyptic number.
1342402020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1342402020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2086995456).
1342402020 is an abundant number, since it is smaller than the sum of its proper divisors (2831588892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1342402020 is a wasteful number, since it uses less digits than its factorization.
1342402020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 922 (or 917 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 1342402020 is about 36638.8048385861. The cubic root of 1342402020 is about 1103.1321255040.
Adding to 1342402020 its reverse (202042431), we get a palindrome (1544444451).
The spelling of 1342402020 in words is "one billion, three hundred forty-two million, four hundred two thousand, twenty".
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