20202000202020 has 384 divisors, whose sum is σ = 75706743038976. Its totient is φ = 3903246434304.

The previous prime is 20202000202019. The next prime is 20202000202039. The reversal of 20202000202020 is 2020200020202.

It is a super-2 number, since 2×20202000202020² (a number of 27 digits) contains 22 as substring.

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 = 20202000201987 and 20202000202005.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 493164 + ... + 6375516.

It is an arithmetic number, because the mean of its divisors is an integer number (197152976664).

Almost surely, 2^{20202000202020} is an apocalyptic number.

20202000202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202000202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37853371519488).

20202000202020 is an abundant number, since it is smaller than the sum of its proper divisors (55504742836956).

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

20202000202020 is a wasteful number, since it uses less digits than its factorization.

20202000202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882439 (or 5882437 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20202000202020 its reverse (2020200020202), we get a palindrome (22222200222222).

It can be divided in two parts, 20202000 and 202020, that multiplied together give a square (4081208040000 = 2020200²).

The spelling of 20202000202020 in words is "twenty trillion, two hundred two billion, two hundred two thousand, twenty".