20000874 has 16 divisors (see below), whose sum is σ = 42355008. Its totient is φ = 6274752.

The previous prime is 20000873. The next prime is 20000879. The reversal of 20000874 is 47800002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20000874.

It is not an unprimeable number, because it can be changed into a prime (20000873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97942 + ... + 98145.

It is an arithmetic number, because the mean of its divisors is an integer number (2647188).

Almost surely, 2^20000874 is an apocalyptic number.

20000874 is an abundant number, since it is smaller than the sum of its proper divisors (22354134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000874 is a wasteful number, since it uses less digits than its factorization.

20000874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196109.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20000874 is about 4472.2336701027. The cubic root of 20000874 is about 271.4457156036.

Adding to 20000874 its reverse (47800002), we get a palindrome (67800876).

The spelling of 20000874 in words is "twenty million, eight hundred seventy-four", and thus it is an aban number.