220020020121000 has 256 divisors, whose sum is σ = 788282256153600. Its totient is φ = 50530913568000.

The previous prime is 220020020120977. The next prime is 220020020121053. The reversal of 220020020121000 is 121020020022.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174827562 + ... + 176081561.

It is an arithmetic number, because the mean of its divisors is an integer number (3079227563100).

Almost surely, 2^{220020020121000} is an apocalyptic number.

220020020121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020020121000 is an abundant number, since it is smaller than the sum of its proper divisors (568262236032600).

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

220020020121000 is a wasteful number, since it uses less digits than its factorization.

220020020121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350909177 (or 350909163 counting only the distinct ones).

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

Adding to 220020020121000 its reverse (121020020022), we get a palindrome (220141040141022).

The spelling of 220020020121000 in words is "two hundred twenty trillion, twenty billion, twenty million, one hundred twenty-one thousand".