20612261232 has 60 divisors (see below), whose sum is σ = 57819718944. Its totient is φ = 6854791680.

The previous prime is 20612261209. The next prime is 20612261237. The reversal of 20612261232 is 23216221602.

It is a happy number.

20612261232 is a `hidden beast` number, since 2 + 0 + 6 + 12 + 2 + 612 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20612261196 and 20612261205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20612261237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103993 + ... + 228120.

Almost surely, 2^20612261232 is an apocalyptic number.

It is an amenable number.

20612261232 is an abundant number, since it is smaller than the sum of its proper divisors (37207457712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20612261232 is a wasteful number, since it uses less digits than its factorization.

20612261232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332558 (or 332549 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20612261232 its reverse (23216221602), we get a palindrome (43828482834).

The spelling of 20612261232 in words is "twenty billion, six hundred twelve million, two hundred sixty-one thousand, two hundred thirty-two".