20580202697040 has 160 divisors (see below), whose sum is σ = 81014131311360. Its totient is φ = 4704046327296.

The previous prime is 20580202696997. The next prime is 20580202697059. The reversal of 20580202697040 is 4079620208502.

20580202697040 is a `hidden beast` number, since 2 + 0 + 580 + 2 + 0 + 2 + 69 + 7 + 0 + 4 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680547139 + ... + 680577378.

It is an arithmetic number, because the mean of its divisors is an integer number (506338320696).

Almost surely, 2^{20580202697040} is an apocalyptic number.

20580202697040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20580202697040 is an abundant number, since it is smaller than the sum of its proper divisors (60433928614320).

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

20580202697040 is a wasteful number, since it uses less digits than its factorization.

20580202697040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361124546 (or 1361124534 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 20580202697040 in words is "twenty trillion, five hundred eighty billion, two hundred two million, six hundred ninety-seven thousand, forty".