20525276 has 24 divisors (see below), whose sum is σ = 37551360. Its totient is φ = 9806832.

The previous prime is 20525261. The next prime is 20525287. The reversal of 20525276 is 67252502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6815 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (1564640).

Almost surely, 2^20525276 is an apocalyptic number.

It is an amenable number.

20525276 is a deficient number, since it is larger than the sum of its proper divisors (17026084).

20525276 is a wasteful number, since it uses less digits than its factorization.

20525276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633 (or 2631 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 20525276 is about 4530.4829764607. The cubic root of 20525276 is about 273.7976199277.

Adding to 20525276 its reverse (67252502), we get a palindrome (87777778).

The spelling of 20525276 in words is "twenty million, five hundred twenty-five thousand, two hundred seventy-six".