20465327135166 has 32 divisors (see below), whose sum is σ = 40941631749408. Its totient is φ = 6819946398720.

The previous prime is 20465327135153. The next prime is 20465327135171. The reversal of 20465327135166 is 66153172356402.

It is a super-2 number, since 2×20465327135166² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411909846 + ... + 411959526.

It is an arithmetic number, because the mean of its divisors is an integer number (1279425992169).

Almost surely, 2^{20465327135166} is an apocalyptic number.

20465327135166 is an abundant number, since it is smaller than the sum of its proper divisors (20476304614242).

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

20465327135166 is a wasteful number, since it uses less digits than its factorization.

20465327135166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66716.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 20465327135166 in words is "twenty trillion, four hundred sixty-five billion, three hundred twenty-seven million, one hundred thirty-five thousand, one hundred sixty-six".