20534422300 has 72 divisors (see below), whose sum is σ = 50953433216. Its totient is φ = 7036493760.

The previous prime is 20534422267. The next prime is 20534422301. The reversal of 20534422300 is 322443502.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20534422301) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1451059 + ... + 1465141.

Almost surely, 2^20534422300 is an apocalyptic number.

20534422300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20534422300 is an abundant number, since it is smaller than the sum of its proper divisors (30419010916).

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

20534422300 is a wasteful number, since it uses less digits than its factorization.

20534422300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16187 (or 16180 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20534422300 its reverse (322443502), we get a palindrome (20856865802).

The spelling of 20534422300 in words is "twenty billion, five hundred thirty-four million, four hundred twenty-two thousand, three hundred".