20221120231002 has 40 divisors (see below), whose sum is σ = 45312756986772. Its totient is φ = 6740006112000.

The previous prime is 20221120230991. The next prime is 20221120231009. The reversal of 20221120231002 is 20013202112202.

20221120231002 is a `hidden beast` number, since 202 + 211 + 20 + 231 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18027080880561 + 2194039350441 = 4245831^2 + 1481229^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20221120231009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 410749 + ... + 6372672.

Almost surely, 2^{20221120231002} is an apocalyptic number.

20221120231002 is an abundant number, since it is smaller than the sum of its proper divisors (25091636755770).

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

20221120231002 is a wasteful number, since it uses less digits than its factorization.

20221120231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801836 (or 6801827 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20221120231002 its reverse (20013202112202), we get a palindrome (40234322343204).

The spelling of 20221120231002 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty million, two hundred thirty-one thousand, two".