20162004953 has 4 divisors (see below), whose sum is σ = 21038613888. Its totient is φ = 19285396020.

The previous prime is 20162004943. The next prime is 20162004997. The reversal of 20162004953 is 35940026102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20162004953 - 2²⁴ = 20145227737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20162004943) 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, 438304433 + ... + 438304478.

It is an arithmetic number, because the mean of its divisors is an integer number (5259653472).

Almost surely, 2^20162004953 is an apocalyptic number.

20162004953 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20162004953 is a deficient number, since it is larger than the sum of its proper divisors (876608935).

20162004953 is an equidigital number, since it uses as much as digits as its factorization.

20162004953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876608934.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 20162004953 in words is "twenty billion, one hundred sixty-two million, four thousand, nine hundred fifty-three".