20522375860466 has 8 divisors (see below), whose sum is σ = 31071260648880. Its totient is φ = 10165288977508.

The previous prime is 20522375860463. The next prime is 20522375860477. The reversal of 20522375860466 is 66406857322502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20522375860463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47949476096 + ... + 47949476523.

It is an arithmetic number, because the mean of its divisors is an integer number (3883907581110).

Almost surely, 2^{20522375860466} is an apocalyptic number.

20522375860466 is a deficient number, since it is larger than the sum of its proper divisors (10548884788414).

20522375860466 is a wasteful number, since it uses less digits than its factorization.

20522375860466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95898952728.

The product of its (nonzero) digits is 29030400, while the sum is 56.

The spelling of 20522375860466 in words is "twenty trillion, five hundred twenty-two billion, three hundred seventy-five million, eight hundred sixty thousand, four hundred sixty-six".