20154852 has 24 divisors (see below), whose sum is σ = 52253600. Its totient is φ = 6718248.

The previous prime is 20154847. The next prime is 20154859. The reversal of 20154852 is 25845102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20154859) 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, 93202 + ... + 93417.

Almost surely, 2^20154852 is an apocalyptic number.

It is an amenable number.

20154852 is an abundant number, since it is smaller than the sum of its proper divisors (32098748).

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

20154852 is a wasteful number, since it uses less digits than its factorization.

20154852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186632 (or 186624 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 20154852 is about 4489.4155521627. The cubic root of 20154852 is about 272.1405163523.

Adding to 20154852 its reverse (25845102), we get a palindrome (45999954).

The spelling of 20154852 in words is "twenty million, one hundred fifty-four thousand, eight hundred fifty-two".