1980200220 has 48 divisors (see below), whose sum is σ = 5547497760. Its totient is φ = 527773696.

The previous prime is 1980200219. The next prime is 1980200227. The reversal of 1980200220 is 220020891.

It is a super-2 number, since 2×1980200220² = 7842385822576096800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980200227) 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, 121516 + ... + 136844.

It is an arithmetic number, because the mean of its divisors is an integer number (115572870).

Almost surely, 2^1980200220 is an apocalyptic number.

1980200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1980200220 is an abundant number, since it is smaller than the sum of its proper divisors (3567297540).

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

1980200220 is a wasteful number, since it uses less digits than its factorization.

1980200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17494 (or 17492 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1980200220 is about 44499.4406706421. The cubic root of 1980200220 is about 1255.7495604299.

The spelling of 1980200220 in words is "one billion, nine hundred eighty million, two hundred thousand, two hundred twenty".