220221020021002 has 64 divisors (see below), whose sum is σ = 450792907907328. Its totient is φ = 77902000128000.

The previous prime is 220221020020997. The next prime is 220221020021017. The reversal of 220221020021002 is 200120020122022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 901521399 + ... + 901765642.

It is an arithmetic number, because the mean of its divisors is an integer number (7043639186052).

Almost surely, 2^{220221020021002} is an apocalyptic number.

220221020021002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220221020021002 is an abundant number, since it is smaller than the sum of its proper divisors (230571887886326).

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

220221020021002 is a wasteful number, since it uses less digits than its factorization.

220221020021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803287135.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220221020021002 its reverse (200120020122022), we get a palindrome (420341040143024).

The spelling of 220221020021002 in words is "two hundred twenty trillion, two hundred twenty-one billion, twenty million, twenty-one thousand, two".