20499452 has 12 divisors (see below), whose sum is σ = 35998536. Its totient is φ = 10214160.

The previous prime is 20499449. The next prime is 20499481. The reversal of 20499452 is 25499402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7574 + ... + 9917.

It is an arithmetic number, because the mean of its divisors is an integer number (2999878).

Almost surely, 2^20499452 is an apocalyptic number.

It is an amenable number.

20499452 is a deficient number, since it is larger than the sum of its proper divisors (15499084).

20499452 is a wasteful number, since it uses less digits than its factorization.

20499452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17788 (or 17786 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 20499452 is about 4527.6320521880. The cubic root of 20499452 is about 273.6827450274.

The spelling of 20499452 in words is "twenty million, four hundred ninety-nine thousand, four hundred fifty-two".