20376285 has 16 divisors (see below), whose sum is σ = 34520256. Its totient is φ = 10227968.

The previous prime is 20376277. The next prime is 20376287. The reversal of 20376285 is 58267302.

It is a cyclic number.

It is not a de Polignac number, because 20376285 - 2³ = 20376277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20376287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39699 + ... + 40208.

It is an arithmetic number, because the mean of its divisors is an integer number (2157516).

Almost surely, 2^20376285 is an apocalyptic number.

It is an amenable number.

20376285 is a deficient number, since it is larger than the sum of its proper divisors (14143971).

20376285 is a wasteful number, since it uses less digits than its factorization.

20376285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79932.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 20376285 is about 4514.0098582081. The cubic root of 20376285 is about 273.1335202707.

The spelling of 20376285 in words is "twenty million, three hundred seventy-six thousand, two hundred eighty-five".