20416153345243 has 16 divisors (see below), whose sum is σ = 22741546716000. Its totient is φ = 18238158894592.

The previous prime is 20416153345193. The next prime is 20416153345253. The reversal of 20416153345243 is 34254335161402.

It is a de Polignac number, because none of the positive numbers 2^k-20416153345243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20416153345243.

It is not an unprimeable number, because it can be changed into a prime (20416153345253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350920708 + ... + 350978881.

It is an arithmetic number, because the mean of its divisors is an integer number (1421346669750).

Almost surely, 2^{20416153345243} is an apocalyptic number.

20416153345243 is a deficient number, since it is larger than the sum of its proper divisors (2325393370757).

20416153345243 is a wasteful number, since it uses less digits than its factorization.

20416153345243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701899694.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 20416153345243 in words is "twenty trillion, four hundred sixteen billion, one hundred fifty-three million, three hundred forty-five thousand, two hundred forty-three".