20013130020552 has 64 divisors (see below), whose sum is σ = 51060682281600. Its totient is φ = 6535192634880.

The previous prime is 20013130020509. The next prime is 20013130020577. The reversal of 20013130020552 is 25502003131002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37136277 + ... + 37671332.

It is an arithmetic number, because the mean of its divisors is an integer number (797823160650).

Almost surely, 2^{20013130020552} is an apocalyptic number.

It is an amenable number.

20013130020552 is an abundant number, since it is smaller than the sum of its proper divisors (31047552261048).

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

20013130020552 is a wasteful number, since it uses less digits than its factorization.

20013130020552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74807846 (or 74807842 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 20013130020552 its reverse (25502003131002), we get a palindrome (45515133151554).

The spelling of 20013130020552 in words is "twenty trillion, thirteen billion, one hundred thirty million, twenty thousand, five hundred fifty-two".