20528095700 has 144 divisors (see below), whose sum is σ = 53643233280. Its totient is φ = 6666295680.

The previous prime is 20528095673. The next prime is 20528095711. The reversal of 20528095700 is 759082502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1652111 + ... + 1664489.

Almost surely, 2^20528095700 is an apocalyptic number.

20528095700 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 20528095700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26821616640).

20528095700 is an abundant number, since it is smaller than the sum of its proper divisors (33115137580).

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

20528095700 is a wasteful number, since it uses less digits than its factorization.

20528095700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12526 (or 12519 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 20528095700 in words is "twenty billion, five hundred twenty-eight million, ninety-five thousand, seven hundred".