20052055500 has 192 divisors, whose sum is σ = 62899200000. Its totient is φ = 4949472000.

The previous prime is 20052055489. The next prime is 20052055519. The reversal of 20052055500 is 555025002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1060126 + ... + 1078874.

It is an arithmetic number, because the mean of its divisors is an integer number (327600000).

Almost surely, 2^20052055500 is an apocalyptic number.

20052055500 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 20052055500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31449600000).

20052055500 is an abundant number, since it is smaller than the sum of its proper divisors (42847144500).

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

20052055500 is a wasteful number, since it uses less digits than its factorization.

20052055500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18825 (or 18813 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The spelling of 20052055500 in words is "twenty billion, fifty-two million, fifty-five thousand, five hundred".