20202202200020 has 48 divisors (see below), whose sum is σ = 43206855693120. Its totient is φ = 7932285563136.

The previous prime is 20202202200017. The next prime is 20202202200023. The reversal of 20202202200020 is 2000220220202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20202202200017) and next prime (20202202200023).

It is a junction number, because it is equal to n+sod(n) for n = 20202202199968 and 20202202200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202202200023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11727377 + ... + 13339256.

It is an arithmetic number, because the mean of its divisors is an integer number (900142826940).

Almost surely, 2^{20202202200020} is an apocalyptic number.

20202202200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202202200020 is an abundant number, since it is smaller than the sum of its proper divisors (23004653493100).

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

20202202200020 is a wasteful number, since it uses less digits than its factorization.

20202202200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25067384 (or 25067382 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20202202200020 its reverse (2000220220202), we get a palindrome (22202422420222).

The spelling of 20202202200020 in words is "twenty trillion, two hundred two billion, two hundred two million, two hundred thousand, twenty".