20146064525 has 24 divisors (see below), whose sum is σ = 25774778880. Its totient is φ = 15612517440.

The previous prime is 20146064513. The next prime is 20146064567. The reversal of 20146064525 is 52546064102.

It is not a de Polignac number, because 20146064525 - 2⁴ = 20146064509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8444 + ... + 200906.

It is an arithmetic number, because the mean of its divisors is an integer number (1073949120).

Almost surely, 2^20146064525 is an apocalyptic number.

20146064525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20146064525 is a deficient number, since it is larger than the sum of its proper divisors (5628714355).

20146064525 is a wasteful number, since it uses less digits than its factorization.

20146064525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192605 (or 192600 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20146064525 in words is "twenty billion, one hundred forty-six million, sixty-four thousand, five hundred twenty-five".