20087260 has 12 divisors (see below), whose sum is σ = 42183288. Its totient is φ = 8034896.

The previous prime is 20087231. The next prime is 20087269. The reversal of 20087260 is 6278002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20087269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502162 + ... + 502201.

It is an arithmetic number, because the mean of its divisors is an integer number (3515274).

Almost surely, 2^20087260 is an apocalyptic number.

20087260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20087260 is an abundant number, since it is smaller than the sum of its proper divisors (22096028).

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

20087260 is a wasteful number, since it uses less digits than its factorization.

20087260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004372 (or 1004370 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 20087260 is about 4481.8813014180. The cubic root of 20087260 is about 271.8359557266.

The spelling of 20087260 in words is "twenty million, eighty-seven thousand, two hundred sixty".