20220221002 has 32 divisors (see below), whose sum is σ = 32724518400. Its totient is φ = 9338918400.

The previous prime is 20220220997. The next prime is 20220221003. The reversal of 20220221002 is 20012202202.

It is not an unprimeable number, because it can be changed into a prime (20220221003) 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, 4034274 + ... + 4039282.

It is an arithmetic number, because the mean of its divisors is an integer number (1022641200).

Almost surely, 2^20220221002 is an apocalyptic number.

20220221002 is a deficient number, since it is larger than the sum of its proper divisors (12504297398).

20220221002 is a wasteful number, since it uses less digits than its factorization.

20220221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20220221002 its reverse (20012202202), we get a palindrome (40232423204).

The spelling of 20220221002 in words is "twenty billion, two hundred twenty million, two hundred twenty-one thousand, two".