20020220121200 has 120 divisors (see below), whose sum is σ = 52311327027456. Its totient is φ = 7318892160000.

The previous prime is 20020220121199. The next prime is 20020220121259. The reversal of 20020220121200 is 212102202002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18534416 + ... + 19584815.

Almost surely, 2^{20020220121200} is an apocalyptic number.

20020220121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020220121200 is an abundant number, since it is smaller than the sum of its proper divisors (32291106906256).

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

20020220121200 is a wasteful number, since it uses less digits than its factorization.

20020220121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38119363 (or 38119352 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20020220121200 its reverse (212102202002), we get a palindrome (20232322323202).

The spelling of 20020220121200 in words is "twenty trillion, twenty billion, two hundred twenty million, one hundred twenty-one thousand, two hundred".