20115053000 has 128 divisors (see below), whose sum is σ = 56625004800. Its totient is φ = 6533568000.

The previous prime is 20115052999. The next prime is 20115053017. The reversal of 20115053000 is 35051102.

It is a self number, because there is not a number n which added to its sum of digits gives 20115053000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57380 + ... + 208620.

It is an arithmetic number, because the mean of its divisors is an integer number (442382850).

Almost surely, 2^20115053000 is an apocalyptic number.

20115053000 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 20115053000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28312502400).

20115053000 is an abundant number, since it is smaller than the sum of its proper divisors (36509951800).

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

20115053000 is a wasteful number, since it uses less digits than its factorization.

20115053000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151288 (or 151274 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The spelling of 20115053000 in words is "twenty billion, one hundred fifteen million, fifty-three thousand".