Base | Representation |
---|---|
bin | 10010111011110101… |
… | …011000010111110000 |
3 | 1221110220202002000200 |
4 | 102323311120113300 |
5 | 313114241431112 |
6 | 13201240115200 |
7 | 1316553236331 |
oct | 227365302760 |
9 | 57426662020 |
10 | 20331202032 |
11 | 8693485009 |
12 | 3b34a65b00 |
13 | 1bc01ab87b |
14 | dac29c288 |
15 | 7ded8ecdc |
hex | 4bbd585f0 |
20331202032 has 30 divisors (see below), whose sum is σ = 56899128312. Its totient is φ = 6777067296.
The previous prime is 20331202013. The next prime is 20331202051. The reversal of 20331202032 is 23020213302.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20331202013) and next prime (20331202051).
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 = 20331201996 and 20331202014.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 70594308 + ... + 70594595.
Almost surely, 220331202032 is an apocalyptic number.
It is an amenable number.
20331202032 is an abundant number, since it is smaller than the sum of its proper divisors (36567926280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20331202032 is a wasteful number, since it uses less digits than its factorization.
20331202032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141188917 (or 141188908 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20331202032 its reverse (23020213302), we get a palindrome (43351415334).
The spelling of 20331202032 in words is "twenty billion, three hundred thirty-one million, two hundred two thousand, thirty-two".
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