20200525530 has 16 divisors (see below), whose sum is σ = 48481261344. Its totient is φ = 5386806800.

The previous prime is 20200525487. The next prime is 20200525531. The reversal of 20200525530 is 3552500202.

It is a super-2 number, since 2×20200525530² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20200525530.

It is not an unprimeable number, because it can be changed into a prime (20200525531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 336675396 + ... + 336675455.

It is an arithmetic number, because the mean of its divisors is an integer number (3030078834).

Almost surely, 2^20200525530 is an apocalyptic number.

20200525530 is an abundant number, since it is smaller than the sum of its proper divisors (28280735814).

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

20200525530 is a wasteful number, since it uses less digits than its factorization.

20200525530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673350861.

The product of its (nonzero) digits is 3000, while the sum is 24.

The spelling of 20200525530 in words is "twenty billion, two hundred million, five hundred twenty-five thousand, five hundred thirty".