2197167200020 has 24 divisors (see below), whose sum is σ = 4968978129864. Its totient is φ = 811261735296.

The previous prime is 2197167200017. The next prime is 2197167200029. The reversal of 2197167200020 is 200027617912.

It can be written as a sum of positive squares in 4 ways, for example, as 62541006724 + 2134626193296 = 250082^2 + 1461036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197167200029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225321279 + ... + 4225321798.

It is an arithmetic number, because the mean of its divisors is an integer number (207040755411).

Almost surely, 2^{2197167200020} is an apocalyptic number.

2197167200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197167200020 is an abundant number, since it is smaller than the sum of its proper divisors (2771810929844).

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

2197167200020 is a wasteful number, since it uses less digits than its factorization.

2197167200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450643099 (or 8450643097 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 2197167200020 in words is "two trillion, one hundred ninety-seven billion, one hundred sixty-seven million, two hundred thousand, twenty".