20122430132 has 12 divisors (see below), whose sum is σ = 40244860320. Its totient is φ = 8623898616.

The previous prime is 20122430087. The next prime is 20122430179. The reversal of 20122430132 is 23103422102.

20122430132 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359329082 + ... + 359329137.

It is an arithmetic number, because the mean of its divisors is an integer number (3353738360).

Almost surely, 2^20122430132 is an apocalyptic number.

It is an amenable number.

20122430132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20122430132 is a wasteful number, since it uses less digits than its factorization.

20122430132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718658230 (or 718658228 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20122430132 its reverse (23103422102), we get a palindrome (43225852234).

The spelling of 20122430132 in words is "twenty billion, one hundred twenty-two million, four hundred thirty thousand, one hundred thirty-two".