20052554320 has 80 divisors (see below), whose sum is σ = 47238976512. Its totient is φ = 7915138560.

The previous prime is 20052554309. The next prime is 20052554351. The reversal of 20052554320 is 2345525002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 9766414 + ... + 9768466.

Almost surely, 2^20052554320 is an apocalyptic number.

20052554320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20052554320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23619488256).

20052554320 is an abundant number, since it is smaller than the sum of its proper divisors (27186422192).

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

20052554320 is a wasteful number, since it uses less digits than its factorization.

20052554320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620 (or 3614 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 20052554320 in words is "twenty billion, fifty-two million, five hundred fifty-four thousand, three hundred twenty".