20152425 has 24 divisors (see below), whose sum is σ = 34033536. Its totient is φ = 10517440.

The previous prime is 20152421. The next prime is 20152441. The reversal of 20152425 is 52425102.

It is a happy number.

It is not a de Polignac number, because 20152425 - 2² = 20152421 is a prime.

It is a super-2 number, since 2×20152425² = 812240466761250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20152421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667 + ... + 6383.

It is an arithmetic number, because the mean of its divisors is an integer number (1418064).

Almost surely, 2^20152425 is an apocalyptic number.

20152425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20152425 is a deficient number, since it is larger than the sum of its proper divisors (13881111).

20152425 is a wasteful number, since it uses less digits than its factorization.

20152425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777 (or 5772 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 20152425 is about 4489.1452415800. The cubic root of 20152425 is about 272.1295924063.

Adding to 20152425 its reverse (52425102), we get a palindrome (72577527).

The spelling of 20152425 in words is "twenty million, one hundred fifty-two thousand, four hundred twenty-five".