20520213116052 has 96 divisors (see below), whose sum is σ = 51628163190912. Its totient is φ = 6306012020736.

The previous prime is 20520213116041. The next prime is 20520213116129. The reversal of 20520213116052 is 25061131202502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480129628 + ... + 480172364.

It is an arithmetic number, because the mean of its divisors is an integer number (537793366572).

Almost surely, 2^{20520213116052} is an apocalyptic number.

It is an amenable number.

20520213116052 is an abundant number, since it is smaller than the sum of its proper divisors (31107950074860).

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

20520213116052 is a wasteful number, since it uses less digits than its factorization.

20520213116052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46537 (or 46535 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 20520213116052 its reverse (25061131202502), we get a palindrome (45581344318554).

The spelling of 20520213116052 in words is "twenty trillion, five hundred twenty billion, two hundred thirteen million, one hundred sixteen thousand, fifty-two".