20465057433 has 32 divisors (see below), whose sum is σ = 28475338752. Its totient is φ = 13059115200.

The previous prime is 20465057399. The next prime is 20465057441. The reversal of 20465057433 is 33475056402.

It is not a de Polignac number, because 20465057433 - 2¹² = 20465053337 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20465057391 and 20465057400.

It is not an unprimeable number, because it can be changed into a prime (20465058433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8486998 + ... + 8489408.

It is an arithmetic number, because the mean of its divisors is an integer number (889854336).

Almost surely, 2^20465057433 is an apocalyptic number.

It is an amenable number.

20465057433 is a deficient number, since it is larger than the sum of its proper divisors (8010281319).

20465057433 is a wasteful number, since it uses less digits than its factorization.

20465057433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 20465057433 in words is "twenty billion, four hundred sixty-five million, fifty-seven thousand, four hundred thirty-three".