20747852 has 6 divisors (see below), whose sum is σ = 36308748. Its totient is φ = 10373924.

The previous prime is 20747827. The next prime is 20747873. The reversal of 20747852 is 25874702.

It is a super-2 number, since 2×20747852² = 860946725227808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593478 + ... + 2593485.

It is an arithmetic number, because the mean of its divisors is an integer number (6051458).

Almost surely, 2^20747852 is an apocalyptic number.

It is an amenable number.

20747852 is a deficient number, since it is larger than the sum of its proper divisors (15560896).

20747852 is a wasteful number, since it uses less digits than its factorization.

20747852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186967 (or 5186965 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 20747852 is about 4554.9810098397. The cubic root of 20747852 is about 274.7837506556.

The spelling of 20747852 in words is "twenty million, seven hundred forty-seven thousand, eight hundred fifty-two".