20220010002 has 24 divisors (see below), whose sum is σ = 43968191436. Its totient is φ = 6715669536.

The previous prime is 20220009977. The next prime is 20220010003. The reversal of 20220010002 is 20001002202.

It can be written as a sum of positive squares in 2 ways, for example, as 19697841801 + 522168201 = 140349^2 + 22851^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20220010003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2022693 + ... + 2032664.

Almost surely, 2^20220010002 is an apocalyptic number.

20220010002 is an abundant number, since it is smaller than the sum of its proper divisors (23748181434).

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

20220010002 is a wasteful number, since it uses less digits than its factorization.

20220010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055642 (or 4055639 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20220010002 its reverse (20001002202), we get a palindrome (40221012204).

It can be divided in two parts, 20 and 220010002, that added together give a palindrome (220010022).

The spelling of 20220010002 in words is "twenty billion, two hundred twenty million, ten thousand, two".