20735452 has 6 divisors (see below), whose sum is σ = 36287048. Its totient is φ = 10367724.

The previous prime is 20735447. The next prime is 20735467. The reversal of 20735452 is 25453702.

It is a self number, because there is not a number n which added to its sum of digits gives 20735452.

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, 2591928 + ... + 2591935.

Almost surely, 2^20735452 is an apocalyptic number.

It is an amenable number.

20735452 is a deficient number, since it is larger than the sum of its proper divisors (15551596).

20735452 is a wasteful number, since it uses less digits than its factorization.

20735452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183867 (or 5183865 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 20735452 is about 4553.6196591283. The cubic root of 20735452 is about 274.7289980395.

The spelling of 20735452 in words is "twenty million, seven hundred thirty-five thousand, four hundred fifty-two".