20020432012 has 48 divisors (see below), whose sum is σ = 42323438080. Its totient is φ = 8094816000.

The previous prime is 20020432001. The next prime is 20020432021. The reversal of 20020432012 is 21023402002.

It is a super-2 number, since 2×20020432012² (a number of 21 digits) contains 22 as substring.

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, 50137 + ... + 206287.

Almost surely, 2^20020432012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020432012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21161719040).

20020432012 is an abundant number, since it is smaller than the sum of its proper divisors (22303006068).

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

20020432012 is a wasteful number, since it uses less digits than its factorization.

20020432012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156422 (or 156420 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20020432012 its reverse (21023402002), we get a palindrome (41043834014).

The spelling of 20020432012 in words is "twenty billion, twenty million, four hundred thirty-two thousand, twelve".