20532353431100 has 36 divisors (see below), whose sum is σ = 50920236510864. Its totient is φ = 7039664033280.

The previous prime is 20532353431097. The next prime is 20532353431151. The reversal of 20532353431100 is 113435323502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14665966037 + ... + 14665967436.

Almost surely, 2^{20532353431100} is an apocalyptic number.

20532353431100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20532353431100 is an abundant number, since it is smaller than the sum of its proper divisors (30387883079764).

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

20532353431100 is a wasteful number, since it uses less digits than its factorization.

20532353431100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29331933494 (or 29331933487 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 20532353431100 its reverse (113435323502), we get a palindrome (20645788754602).

The spelling of 20532353431100 in words is "twenty trillion, five hundred thirty-two billion, three hundred fifty-three million, four hundred thirty-one thousand, one hundred".