2197060738020 has 36 divisors (see below), whose sum is σ = 6664417572540. Its totient is φ = 585882863424.

The previous prime is 2197060737973. The next prime is 2197060738021. The reversal of 2197060738020 is 208370607912.

2197060738020 is a `hidden beast` number, since 2 + 1 + 9 + 7 + 0 + 607 + 38 + 0 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 864989282304 + 1332071455716 = 930048^2 + 1154154^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2197060738021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6102946315 + ... + 6102946674.

Almost surely, 2^{2197060738020} is an apocalyptic number.

2197060738020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197060738020 is an abundant number, since it is smaller than the sum of its proper divisors (4467356834520).

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

2197060738020 is a wasteful number, since it uses less digits than its factorization.

2197060738020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205893004 (or 12205892999 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 2197060738020 in words is "two trillion, one hundred ninety-seven billion, sixty million, seven hundred thirty-eight thousand, twenty".