20532936620 has 48 divisors (see below), whose sum is σ = 49361245248. Its totient is φ = 7028121600.

The previous prime is 20532936581. The next prime is 20532936629. The reversal of 20532936620 is 2663923502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20532936629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37877 + ... + 206156.

It is an arithmetic number, because the mean of its divisors is an integer number (1028359276).

Almost surely, 2^20532936620 is an apocalyptic number.

20532936620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20532936620 is an abundant number, since it is smaller than the sum of its proper divisors (28828308628).

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

20532936620 is a wasteful number, since it uses less digits than its factorization.

20532936620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244650 (or 244648 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 20532936620 in words is "twenty billion, five hundred thirty-two million, nine hundred thirty-six thousand, six hundred twenty".