20116635352 has 32 divisors (see below), whose sum is σ = 41159865600. Its totient is φ = 9141213600.

The previous prime is 20116635323. The next prime is 20116635359. The reversal of 20116635352 is 25353661102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116635359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281077 + ... + 345307.

It is an arithmetic number, because the mean of its divisors is an integer number (1286245800).

Almost surely, 2^20116635352 is an apocalyptic number.

20116635352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20116635352 is an abundant number, since it is smaller than the sum of its proper divisors (21043230248).

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

20116635352 is a wasteful number, since it uses less digits than its factorization.

20116635352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67807 (or 67803 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 20116635352 in words is "twenty billion, one hundred sixteen million, six hundred thirty-five thousand, three hundred fifty-two".