20422324100 has 36 divisors (see below), whose sum is σ = 44385719028. Its totient is φ = 8156160000.

The previous prime is 20422324093. The next prime is 20422324103. The reversal of 20422324100 is 142322402.

It can be written as a sum of positive squares in 6 ways, for example, as 770884 + 20421553216 = 878^2 + 142904^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20422324103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95201 + ... + 223400.

Almost surely, 2^20422324100 is an apocalyptic number.

20422324100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20422324100 is an abundant number, since it is smaller than the sum of its proper divisors (23963394928).

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

20422324100 is a wasteful number, since it uses less digits than its factorization.

20422324100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319256 (or 319249 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20422324100 its reverse (142322402), we get a palindrome (20564646502).

The spelling of 20422324100 in words is "twenty billion, four hundred twenty-two million, three hundred twenty-four thousand, one hundred".