20020021232 has 40 divisors (see below), whose sum is σ = 41234630160. Its totient is φ = 9389260800.

The previous prime is 20020021223. The next prime is 20020021237. The reversal of 20020021232 is 23212002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020021237) 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, 295313 + ... + 356720.

It is an arithmetic number, because the mean of its divisors is an integer number (1030865754).

Almost surely, 2^20020021232 is an apocalyptic number.

It is an amenable number.

20020021232 is an abundant number, since it is smaller than the sum of its proper divisors (21214608928).

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

20020021232 is a wasteful number, since it uses less digits than its factorization.

20020021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652161 (or 652155 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20020021232 its reverse (23212002002), we get a palindrome (43232023234).

The spelling of 20020021232 in words is "twenty billion, twenty million, twenty-one thousand, two hundred thirty-two".