20020023232 has 28 divisors (see below), whose sum is σ = 43338801816. Its totient is φ = 9100010240.

The previous prime is 20020023197. The next prime is 20020023253. The reversal of 20020023232 is 23232002002.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 14218063 + ... + 14219470.

Almost surely, 2^20020023232 is an apocalyptic number.

20020023232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20020023232 is an abundant number, since it is smaller than the sum of its proper divisors (23318778584).

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

20020023232 is a wasteful number, since it uses less digits than its factorization.

20020023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28437556 (or 28437546 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20020023232 its reverse (23232002002), we get a palindrome (43252025234).

The spelling of 20020023232 in words is "twenty billion, twenty million, twenty-three thousand, two hundred thirty-two".