20122251324 has 48 divisors (see below), whose sum is σ = 53684080128. Its totient is φ = 5746563648.

The previous prime is 20122251301. The next prime is 20122251343. The reversal of 20122251324 is 42315222102.

It is a junction number, because it is equal to n+sod(n) for n = 20122251294 and 20122251303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131769 + ... + 240015.

It is an arithmetic number, because the mean of its divisors is an integer number (1118418336).

Almost surely, 2^20122251324 is an apocalyptic number.

It is an amenable number.

20122251324 is an abundant number, since it is smaller than the sum of its proper divisors (33561828804).

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

20122251324 is a wasteful number, since it uses less digits than its factorization.

20122251324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110474 (or 110472 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20122251324 its reverse (42315222102), we get a palindrome (62437473426).

The spelling of 20122251324 in words is "twenty billion, one hundred twenty-two million, two hundred fifty-one thousand, three hundred twenty-four".