20051513552 has 20 divisors (see below), whose sum is σ = 44399780256. Its totient is φ = 8593505760.

The previous prime is 20051513543. The next prime is 20051513683. The reversal of 20051513552 is 25531515002.

It is a super-3 number, since 3×20051513552³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89515574 + ... + 89515797.

Almost surely, 2^20051513552 is an apocalyptic number.

It is an amenable number.

20051513552 is an abundant number, since it is smaller than the sum of its proper divisors (24348266704).

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

20051513552 is a wasteful number, since it uses less digits than its factorization.

20051513552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179031386 (or 179031380 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 20051513552 in words is "twenty billion, fifty-one million, five hundred thirteen thousand, five hundred fifty-two".