20122543344 has 40 divisors (see below), whose sum is σ = 52229629312. Its totient is φ = 6675721920.

The previous prime is 20122543339. The next prime is 20122543349. The reversal of 20122543344 is 44334522102.

It is an interprime number because it is at equal distance from previous prime (20122543339) and next prime (20122543349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122543349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983284 + ... + 1003539.

Almost surely, 2^20122543344 is an apocalyptic number.

20122543344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20122543344 is an abundant number, since it is smaller than the sum of its proper divisors (32107085968).

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

20122543344 is a wasteful number, since it uses less digits than its factorization.

20122543344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987045 (or 1987039 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 20122543344 in words is "twenty billion, one hundred twenty-two million, five hundred forty-three thousand, three hundred forty-four".