620233511232 has 56 divisors (see below), whose sum is σ = 1644184541952. Its totient is φ = 206347648000.

The previous prime is 620233511203. The next prime is 620233511239. The reversal of 620233511232 is 232115332026.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 620233511232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620233511239) 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 7 ways as a sum of consecutive naturals, for example, 3000144 + ... + 3200207.

Almost surely, 2^620233511232 is an apocalyptic number.

It is an amenable number.

620233511232 is an abundant number, since it is smaller than the sum of its proper divisors (1023951030720).

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

620233511232 is a wasteful number, since it uses less digits than its factorization.

620233511232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200887 (or 6200877 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 620233511232 its reverse (232115332026), we get a palindrome (852348843258).

The spelling of 620233511232 in words is "six hundred twenty billion, two hundred thirty-three million, five hundred eleven thousand, two hundred thirty-two".