20530200300 has 72 divisors (see below), whose sum is σ = 60287349696. Its totient is φ = 5393002560.

The previous prime is 20530200293. The next prime is 20530200311. The reversal of 20530200300 is 300203502.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20530200300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490602 + ... + 530801.

Almost surely, 2^20530200300 is an apocalyptic number.

20530200300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20530200300 is an abundant number, since it is smaller than the sum of its proper divisors (39757149396).

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

20530200300 is a wasteful number, since it uses less digits than its factorization.

20530200300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021487 (or 1021480 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

Adding to 20530200300 its reverse (300203502), we get a palindrome (20830403802).

The spelling of 20530200300 in words is "twenty billion, five hundred thirty million, two hundred thousand, three hundred".