20122011432 has 48 divisors (see below), whose sum is σ = 54530092500. Its totient is φ = 6703278336.

The previous prime is 20122011421. The next prime is 20122011457. The reversal of 20122011432 is 23411022102.

It is a happy number.

20122011432 is a `hidden beast` number, since 2 + 0 + 1 + 220 + 11 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19916547876 + 205463556 = 141126^2 + 14334^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36444 + ... + 203892.

Almost surely, 2^20122011432 is an apocalyptic number.

It is an amenable number.

20122011432 is an abundant number, since it is smaller than the sum of its proper divisors (34408081068).

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

20122011432 is a wasteful number, since it uses less digits than its factorization.

20122011432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169130 (or 169123 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20122011432 its reverse (23411022102), we get a palindrome (43533033534).

The spelling of 20122011432 in words is "twenty billion, one hundred twenty-two million, eleven thousand, four hundred thirty-two".