20695528 has 32 divisors (see below), whose sum is σ = 46958400. Its totient is φ = 8347392.

The previous prime is 20695517. The next prime is 20695537. The reversal of 20695528 is 82559602.

It is a happy number.

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, 9918 + ... + 11821.

It is an arithmetic number, because the mean of its divisors is an integer number (1467450).

Almost surely, 2^20695528 is an apocalyptic number.

20695528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20695528 is an abundant number, since it is smaller than the sum of its proper divisors (26262872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20695528 is a wasteful number, since it uses less digits than its factorization.

20695528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21769 (or 21765 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 20695528 is about 4549.2337816384. The cubic root of 20695528 is about 274.5525638582.

The spelling of 20695528 in words is "twenty million, six hundred ninety-five thousand, five hundred twenty-eight".