20200200020200 has 48 divisors (see below), whose sum is σ = 47052277618860. Its totient is φ = 8065144512000.

The previous prime is 20200200020171. The next prime is 20200200020219. The reversal of 20200200020200 is 202000200202.

It can be written as a sum of positive squares in 6 ways, for example, as 9451677112164 + 10748522908036 = 3074358^2 + 3278494^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93238381 + ... + 93454780.

Almost surely, 2^{20200200020200} is an apocalyptic number.

20200200020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200200020200 is an abundant number, since it is smaller than the sum of its proper divisors (26852077598660).

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

20200200020200 is a wasteful number, since it uses less digits than its factorization.

20200200020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186693718 (or 186693709 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20200200020200 its reverse (202000200202), we get a palindrome (20402200220402).

The spelling of 20200200020200 in words is "twenty trillion, two hundred billion, two hundred million, twenty thousand, two hundred".