20520057207210 has 64 divisors (see below), whose sum is σ = 53727767493120. Its totient is φ = 4974325359680.

The previous prime is 20520057207193. The next prime is 20520057207227. The reversal of 20520057207210 is 1270275002502.

It is an interprime number because it is at equal distance from previous prime (20520057207193) and next prime (20520057207227).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5616709 + ... + 8519831.

It is an arithmetic number, because the mean of its divisors is an integer number (839496367080).

Almost surely, 2^{20520057207210} is an apocalyptic number.

20520057207210 is an abundant number, since it is smaller than the sum of its proper divisors (33207710285910).

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

20520057207210 is a wasteful number, since it uses less digits than its factorization.

20520057207210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924563.

The product of its (nonzero) digits is 19600, while the sum is 33.

The spelling of 20520057207210 in words is "twenty trillion, five hundred twenty billion, fifty-seven million, two hundred seven thousand, two hundred ten".