20422340100 has 54 divisors (see below), whose sum is σ = 64012693290. Its totient is φ = 5445957120.

The previous prime is 20422340093. The next prime is 20422340111. The reversal of 20422340100 is 104322402.

20422340100 is a `hidden beast` number, since 204 + 22 + 340 + 100 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2654516484 + 17767823616 = 51522^2 + 133296^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11344845 + ... + 11346644.

Almost surely, 2^20422340100 is an apocalyptic number.

20422340100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20422340100 is an abundant number, since it is smaller than the sum of its proper divisors (43590353190).

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

20422340100 is a wasteful number, since it uses less digits than its factorization.

20422340100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22691509 (or 22691499 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20422340100 its reverse (104322402), we get a palindrome (20526662502).

The spelling of 20422340100 in words is "twenty billion, four hundred twenty-two million, three hundred forty thousand, one hundred".