22144045245020 has 24 divisors (see below), whose sum is σ = 46504161928224. Its totient is φ = 8857300590656.

The previous prime is 22144045244983. The next prime is 22144045245043. The reversal of 22144045245020 is 2054254044122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19271912 + ... + 20388591.

It is an arithmetic number, because the mean of its divisors is an integer number (1937673413676).

Almost surely, 2^{22144045245020} is an apocalyptic number.

22144045245020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22144045245020 is an abundant number, since it is smaller than the sum of its proper divisors (24360116683204).

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

22144045245020 is a wasteful number, since it uses less digits than its factorization.

22144045245020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39688429 (or 39688427 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 22144045245020 its reverse (2054254044122), we get a palindrome (24198299289142).

The spelling of 22144045245020 in words is "twenty-two trillion, one hundred forty-four billion, forty-five million, two hundred forty-five thousand, twenty".