| Base | Representation |
|---|---|
| bin | 10010101111010111… |
| … | …011001001011010100 |
| 3 | 1220221100010020120100 |
| 4 | 102233113121023110 |
| 5 | 312202213430140 |
| 6 | 13124404334100 |
| 7 | 1311433205034 |
| oct | 225727311324 |
| 9 | 56840106510 |
| 10 | 20122014420 |
| 11 | 8596397292 |
| 12 | 3a969a4330 |
| 13 | 1b88a58711 |
| 14 | d8c5a78c4 |
| 15 | 7cb81d530 |
| hex | 4af5d92d4 |
20122014420 has 36 divisors (see below), whose sum is σ = 61036777620. Its totient is φ = 5365870464.
The previous prime is 20122014401. The next prime is 20122014427. The reversal of 20122014420 is 2441022102.
20122014420 is a `hidden beast` number, since 2 + 0 + 1 + 220 + 1 + 442 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 15452478864 + 4669535556 = 124308^2 + 68334^2 .
It is a tau number, because it is divible by the number of its divisors (36).
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 = 20122014393 and 20122014402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20122014427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55894305 + ... + 55894664.
It is an arithmetic number, because the mean of its divisors is an integer number (1695466045).
Almost surely, 220122014420 is an apocalyptic number.
20122014420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20122014420 is an abundant number, since it is smaller than the sum of its proper divisors (40914763200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122014420 is a wasteful number, since it uses less digits than its factorization.
20122014420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111788984 (or 111788979 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 20122014420 its reverse (2441022102), we get a palindrome (22563036522).
The spelling of 20122014420 in words is "twenty billion, one hundred twenty-two million, fourteen thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •