2265004920 has 32 divisors (see below), whose sum is σ = 6795015120. Its totient is φ = 604001280.

The previous prime is 2265004853. The next prime is 2265004921. The reversal of 2265004920 is 294005622.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265004921) 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, 9437401 + ... + 9437640.

Almost surely, 2^2265004920 is an apocalyptic number.

2265004920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2265004920 is an abundant number, since it is smaller than the sum of its proper divisors (4530010200).

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

2265004920 is a wasteful number, since it uses less digits than its factorization.

2265004920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18875055 (or 18875051 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2265004920 is about 47592.0678264771. The cubic root of 2265004920 is about 1313.2771357735.

The spelling of 2265004920 in words is "two billion, two hundred sixty-five million, four thousand, nine hundred twenty".