20192017025 has 24 divisors (see below), whose sum is σ = 25136516160. Its totient is φ = 16090264640.

The previous prime is 20192016991. The next prime is 20192017039. The reversal of 20192017025 is 52071029102.

It is not a de Polignac number, because 20192017025 - 2¹⁰ = 20192016001 is a prime.

It is a Curzon 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, 8210246 + ... + 8212704.

It is an arithmetic number, because the mean of its divisors is an integer number (1047354840).

Almost surely, 2^20192017025 is an apocalyptic number.

20192017025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20192017025 is a deficient number, since it is larger than the sum of its proper divisors (4944499135).

20192017025 is a wasteful number, since it uses less digits than its factorization.

20192017025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 20192017025 in words is "twenty billion, one hundred ninety-two million, seventeen thousand, twenty-five".