20022748 has 6 divisors (see below), whose sum is σ = 35039816. Its totient is φ = 10011372.

The previous prime is 20022733. The next prime is 20022791. The reversal of 20022748 is 84722002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502840 + ... + 2502847.

Almost surely, 2^20022748 is an apocalyptic number.

It is an amenable number.

20022748 is a deficient number, since it is larger than the sum of its proper divisors (15017068).

20022748 is a wasteful number, since it uses less digits than its factorization.

20022748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005691 (or 5005689 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 20022748 is about 4474.6785359398. The cubic root of 20022748 is about 271.5446352864.

The spelling of 20022748 in words is "twenty million, twenty-two thousand, seven hundred forty-eight".