20202000121020 has 48 divisors (see below), whose sum is σ = 56565895196160. Its totient is φ = 5387171950656.

The previous prime is 20202000121019. The next prime is 20202000121031. The reversal of 20202000121020 is 2012100020202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20202000120987 and 20202000121005.

It is a congruent number.

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, 12385441 + ... + 13921319.

It is an arithmetic number, because the mean of its divisors is an integer number (1178456149920).

Almost surely, 2^{20202000121020} is an apocalyptic number.

20202000121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202000121020 is an abundant number, since it is smaller than the sum of its proper divisors (36363895075140).

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

20202000121020 is a wasteful number, since it uses less digits than its factorization.

20202000121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755114 (or 1755112 counting only the distinct ones).

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

Adding to 20202000121020 its reverse (2012100020202), we get a palindrome (22214100141222).

The spelling of 20202000121020 in words is "twenty trillion, two hundred two billion, one hundred twenty-one thousand, twenty".