20346620252 has 36 divisors (see below), whose sum is σ = 41554946664. Its totient is φ = 8691550560.

The previous prime is 20346620251. The next prime is 20346620297. The reversal of 20346620252 is 25202664302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346620251) 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, 108899 + ... + 229242.

It is an arithmetic number, because the mean of its divisors is an integer number (1154304074).

Almost surely, 2^20346620252 is an apocalyptic number.

It is an amenable number.

20346620252 is an abundant number, since it is smaller than the sum of its proper divisors (21208326412).

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

20346620252 is a wasteful number, since it uses less digits than its factorization.

20346620252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338466 (or 338457 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 20346620252 in words is "twenty billion, three hundred forty-six million, six hundred twenty thousand, two hundred fifty-two".