20332232100021 has 16 divisors (see below), whose sum is σ = 27170298144000. Its totient is φ = 13524508229568.

The previous prime is 20332232100007. The next prime is 20332232100067. The reversal of 20332232100021 is 12000123223302.

It is a happy number.

It is not a de Polignac number, because 20332232100021 - 2¹⁴ = 20332232083637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332232100421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3804180 + ... + 7425378.

It is an arithmetic number, because the mean of its divisors is an integer number (1698143634000).

Almost surely, 2^{20332232100021} is an apocalyptic number.

It is an amenable number.

20332232100021 is a deficient number, since it is larger than the sum of its proper divisors (6838066043979).

20332232100021 is a wasteful number, since it uses less digits than its factorization.

20332232100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625388.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20332232100021 its reverse (12000123223302), we get a palindrome (32332355323323).

The spelling of 20332232100021 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-two million, one hundred thousand, twenty-one".