20876148 has 18 divisors (see below), whose sum is σ = 52770354. Its totient is φ = 6958704.

The previous prime is 20876137. The next prime is 20876171. The reversal of 20876148 is 84167802.

It can be written as a sum of positive squares in only one way, i.e., 20684304 + 191844 = 4548^2 + 438^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 579893 = 20876148 / (2 + 0 + 8 + 7 + 6 + 1 + 4 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289911 + ... + 289982.

Almost surely, 2^20876148 is an apocalyptic number.

It is an amenable number.

20876148 is an abundant number, since it is smaller than the sum of its proper divisors (31894206).

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

20876148 is a wasteful number, since it uses less digits than its factorization.

20876148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579903 (or 579898 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 20876148 is about 4569.0423504275. The cubic root of 20876148 is about 275.3489696492.

The spelling of 20876148 in words is "twenty million, eight hundred seventy-six thousand, one hundred forty-eight".