20422224423100 has 72 divisors (see below), whose sum is σ = 45515415108240. Its totient is φ = 7949253742080.

The previous prime is 20422224423061. The next prime is 20422224423203. The reversal of 20422224423100 is 132442222402.

It is a happy number.

It is a super-2 number, since 2×20422224423100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 7671097 + ... + 9984496.

It is an arithmetic number, because the mean of its divisors is an integer number (632158543170).

Almost surely, 2^{20422224423100} is an apocalyptic number.

20422224423100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20422224423100 is an abundant number, since it is smaller than the sum of its proper divisors (25093190685140).

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

20422224423100 is a wasteful number, since it uses less digits than its factorization.

20422224423100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17655919 (or 17655912 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20422224423100 its reverse (132442222402), we get a palindrome (20554666645502).

The spelling of 20422224423100 in words is "twenty trillion, four hundred twenty-two billion, two hundred twenty-four million, four hundred twenty-three thousand, one hundred".