20221120002 has 32 divisors (see below), whose sum is σ = 40766947200. Its totient is φ = 6686380800.

The previous prime is 20221119979. The next prime is 20221120021. The reversal of 20221120002 is 20002112202.

It is a self number, because there is not a number n which added to its sum of digits gives 20221120002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648874 + ... + 679322.

It is an arithmetic number, because the mean of its divisors is an integer number (1273967100).

Almost surely, 2^20221120002 is an apocalyptic number.

20221120002 is an abundant number, since it is smaller than the sum of its proper divisors (20545827198).

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

20221120002 is a wasteful number, since it uses less digits than its factorization.

20221120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31338.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20221120002 its reverse (20002112202), we get a palindrome (40223232204).

The spelling of 20221120002 in words is "twenty billion, two hundred twenty-one million, one hundred twenty thousand, two".