20265018 has 8 divisors (see below), whose sum is σ = 40530048. Its totient is φ = 6755004.

The previous prime is 20265017. The next prime is 20265059. The reversal of 20265018 is 81056202.

It is a sphenic number, since it is the product of 3 distinct primes.

20265018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20265013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688746 + ... + 1688757.

It is an arithmetic number, because the mean of its divisors is an integer number (5066256).

Almost surely, 2^20265018 is an apocalyptic number.

20265018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20265018 is a wasteful number, since it uses less digits than its factorization.

20265018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377508.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20265018 is about 4501.6683573982. The cubic root of 20265018 is about 272.6354537979.

The spelling of 20265018 in words is "twenty million, two hundred sixty-five thousand, eighteen".