20322012300 has 72 divisors (see below), whose sum is σ = 59062219776. Its totient is φ = 5394884160.

The previous prime is 20322012299. The next prime is 20322012307. The reversal of 20322012300 is 321022302.

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 20322012300.

It is not an unprimeable number, because it can be changed into a prime (20322012307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84984 + ... + 218783.

It is an arithmetic number, because the mean of its divisors is an integer number (820308608).

Almost surely, 2^20322012300 is an apocalyptic number.

20322012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322012300 is an abundant number, since it is smaller than the sum of its proper divisors (38740207476).

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

20322012300 is a wasteful number, since it uses less digits than its factorization.

20322012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304007 (or 304000 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20322012300 its reverse (321022302), we get a palindrome (20643034602).

The spelling of 20322012300 in words is "twenty billion, three hundred twenty-two million, twelve thousand, three hundred".