20002210221020 has 192 divisors, whose sum is σ = 43644612243456. Its totient is φ = 7696634204160.

The previous prime is 20002210221013. The next prime is 20002210221043. The reversal of 20002210221020 is 2012201220002.

It is a junction number, because it is equal to n+sod(n) for n = 20002210220986 and 20002210221004.

It is a congruent number.

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, 5775975809 + ... + 5775979271.

It is an arithmetic number, because the mean of its divisors is an integer number (227315688768).

Almost surely, 2^{20002210221020} is an apocalyptic number.

20002210221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002210221020 is an abundant number, since it is smaller than the sum of its proper divisors (23642402022436).

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

20002210221020 is a wasteful number, since it uses less digits than its factorization.

20002210221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180 (or 4178 counting only the distinct ones).

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

Adding to 20002210221020 its reverse (2012201220002), we get a palindrome (22014411441022).

The spelling of 20002210221020 in words is "twenty trillion, two billion, two hundred ten million, two hundred twenty-one thousand, twenty".