20442626226462 has 64 divisors (see below), whose sum is σ = 48502117764864. Its totient is φ = 5672762288640.

The previous prime is 20442626226437. The next prime is 20442626226469. The reversal of 20442626226462 is 26462262624402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442626226469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246172128 + ... + 246255155.

It is an arithmetic number, because the mean of its divisors is an integer number (757845590076).

Almost surely, 2^{20442626226462} is an apocalyptic number.

20442626226462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20442626226462 is an abundant number, since it is smaller than the sum of its proper divisors (28059491538402).

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

20442626226462 is a wasteful number, since it uses less digits than its factorization.

20442626226462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492427353.

The product of its (nonzero) digits is 5308416, while the sum is 48.

The spelling of 20442626226462 in words is "twenty trillion, four hundred forty-two billion, six hundred twenty-six million, two hundred twenty-six thousand, four hundred sixty-two".