220121020002000 has 320 divisors, whose sum is σ = 772139178929664. Its totient is φ = 53625039667200.

The previous prime is 220121020001989. The next prime is 220121020002031. The reversal of 220121020002000 is 200020121022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6980724 + ... + 22112723.

Almost surely, 2^{220121020002000} is an apocalyptic number.

220121020002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220121020002000 is an abundant number, since it is smaller than the sum of its proper divisors (552018158927664).

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

220121020002000 is a wasteful number, since it uses less digits than its factorization.

220121020002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29093583 (or 29093567 counting only the distinct ones).

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

Adding to 220121020002000 its reverse (200020121022), we get a palindrome (220321040123022).

The spelling of 220121020002000 in words is "two hundred twenty trillion, one hundred twenty-one billion, twenty million, two thousand".