20525097 has 16 divisors (see below), whose sum is σ = 28301760. Its totient is φ = 13224000.

The previous prime is 20525093. The next prime is 20525101. The reversal of 20525097 is 79052502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20525093) and next prime (20525101).

It is not a de Polignac number, because 20525097 - 2² = 20525093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20525093) 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, 9847 + ... + 11747.

It is an arithmetic number, because the mean of its divisors is an integer number (1768860).

Almost surely, 2^20525097 is an apocalyptic number.

It is an amenable number.

20525097 is a deficient number, since it is larger than the sum of its proper divisors (7776663).

20525097 is a wasteful number, since it uses less digits than its factorization.

20525097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 20525097 is about 4530.4632213494. The cubic root of 20525097 is about 273.7968239998.

Adding to 20525097 its reverse (79052502), we get a palindrome (99577599).

The spelling of 20525097 in words is "twenty million, five hundred twenty-five thousand, ninety-seven".