202220120021000 has 64 divisors (see below), whose sum is σ = 473197187623680. Its totient is φ = 80887687876800.

The previous prime is 202220120020907. The next prime is 202220120021011. The reversal of 202220120021000 is 120021022202.

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 15 ways as a sum of consecutive naturals, for example, 429231569 + ... + 429702431.

It is an arithmetic number, because the mean of its divisors is an integer number (7393706056620).

Almost surely, 2^{202220120021000} is an apocalyptic number.

202220120021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220120021000 is an abundant number, since it is smaller than the sum of its proper divisors (270977067602680).

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

202220120021000 is a wasteful number, since it uses less digits than its factorization.

202220120021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900351 (or 900337 counting only the distinct ones).

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

Adding to 202220120021000 its reverse (120021022202), we get a palindrome (202340141043202).

The spelling of 202220120021000 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty million, twenty-one thousand".