20049875 has 16 divisors (see below), whose sum is σ = 25889760. Its totient is φ = 15484000.

The previous prime is 20049833. The next prime is 20049881. The reversal of 20049875 is 57894002.

It is a happy number.

It is not a de Polignac number, because 20049875 - 2¹⁴ = 20033491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860 + ... + 6390.

It is an arithmetic number, because the mean of its divisors is an integer number (1618110).

Almost surely, 2^20049875 is an apocalyptic number.

20049875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20049875 is a deficient number, since it is larger than the sum of its proper divisors (5839885).

20049875 is an equidigital number, since it uses as much as digits as its factorization.

20049875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575 (or 5565 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 20049875 is about 4477.7086774376. The cubic root of 20049875 is about 271.6672103234.

The spelling of 20049875 in words is "twenty million, forty-nine thousand, eight hundred seventy-five".