20874852 has 36 divisors (see below), whose sum is σ = 53516736. Its totient is φ = 6859440.

The previous prime is 20874851. The next prime is 20874853. The reversal of 20874852 is 25847802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20874851) and next prime (20874853).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20874851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1528 + ... + 6639.

It is an arithmetic number, because the mean of its divisors is an integer number (1486576).

Almost surely, 2^20874852 is an apocalyptic number.

It is an amenable number.

20874852 is an abundant number, since it is smaller than the sum of its proper divisors (32641884).

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

20874852 is a wasteful number, since it uses less digits than its factorization.

20874852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248 (or 8243 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 20874852 is about 4568.9005241962. The cubic root of 20874852 is about 275.3432716048.

The spelling of 20874852 in words is "twenty million, eight hundred seventy-four thousand, eight hundred fifty-two".