20022202121000 has 64 divisors (see below), whose sum is σ = 48888994452480. Its totient is φ = 7660668628800.

The previous prime is 20022202120937. The next prime is 20022202121017. The reversal of 20022202121000 is 12120222002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435242264 + ... + 435288263.

It is an arithmetic number, because the mean of its divisors is an integer number (763890538320).

Almost surely, 2^{20022202121000} is an apocalyptic number.

20022202121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022202121000 is an abundant number, since it is smaller than the sum of its proper divisors (28866792331480).

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

20022202121000 is a wasteful number, since it uses less digits than its factorization.

20022202121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870530571 (or 870530557 counting only the distinct ones).

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

Adding to 20022202121000 its reverse (12120222002), we get a palindrome (20034322343002).

The spelling of 20022202121000 in words is "twenty trillion, twenty-two billion, two hundred two million, one hundred twenty-one thousand".