20122333033021 has 4 divisors (see below), whose sum is σ = 20124940573852. Its totient is φ = 20119725492192.

The previous prime is 20122333033013. The next prime is 20122333033097. The reversal of 20122333033021 is 12033033322102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13007635692100 + 7114697340921 = 3606610^2 + 2667339^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122333033021 - 2³ = 20122333033013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122333033721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303758840 + ... + 1303774273.

It is an arithmetic number, because the mean of its divisors is an integer number (5031235143463).

Almost surely, 2^{20122333033021} is an apocalyptic number.

It is an amenable number.

20122333033021 is a deficient number, since it is larger than the sum of its proper divisors (2607540831).

20122333033021 is an equidigital number, since it uses as much as digits as its factorization.

20122333033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607540830.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20122333033021 its reverse (12033033322102), we get a palindrome (32155366355123).

The spelling of 20122333033021 in words is "twenty trillion, one hundred twenty-two billion, three hundred thirty-three million, thirty-three thousand, twenty-one".