20013675 has 48 divisors (see below), whose sum is σ = 38247552. Its totient is φ = 9126400.

The previous prime is 20013671. The next prime is 20013689. The reversal of 20013675 is 57631002.

It is not a de Polignac number, because 20013675 - 2² = 20013671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20013671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13312 + ... + 14738.

It is an arithmetic number, because the mean of its divisors is an integer number (796824).

Almost surely, 2^20013675 is an apocalyptic number.

20013675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20013675 is a deficient number, since it is larger than the sum of its proper divisors (18233877).

20013675 is a wasteful number, since it uses less digits than its factorization.

20013675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 20013675 is about 4473.6646052202. The cubic root of 20013675 is about 271.5036136660.

Adding to 20013675 its reverse (57631002), we get a palindrome (77644677).

The spelling of 20013675 in words is "twenty million, thirteen thousand, six hundred seventy-five".