20541530700 has 54 divisors (see below), whose sum is σ = 64386289604. Its totient is φ = 5477741280.

The previous prime is 20541530579. The next prime is 20541530701. The reversal of 20541530700 is 703514502.

It is a happy number.

20541530700 is a `hidden beast` number, since 2 + 0 + 541 + 53 + 0 + 70 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (20541530701) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11411062 + ... + 11412861.

Almost surely, 2^20541530700 is an apocalyptic number.

20541530700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20541530700 is an abundant number, since it is smaller than the sum of its proper divisors (43844758904).

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

20541530700 is a wasteful number, since it uses less digits than its factorization.

20541530700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22823943 (or 22823933 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The spelling of 20541530700 in words is "twenty billion, five hundred forty-one million, five hundred thirty thousand, seven hundred".