265450020 has 48 divisors (see below), whose sum is σ = 810831168. Its totient is φ = 64351360.

The previous prime is 265450001. The next prime is 265450039. The reversal of 265450020 is 20054562.

265450020 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (265450001) and next prime (265450039).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200439 + ... + 201758.

It is an arithmetic number, because the mean of its divisors is an integer number (16892316).

Almost surely, 2^265450020 is an apocalyptic number.

265450020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265450020 is an abundant number, since it is smaller than the sum of its proper divisors (545381148).

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

265450020 is a wasteful number, since it uses less digits than its factorization.

265450020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402220 (or 402218 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 265450020 is about 16292.6369873020. The cubic root of 265450020 is about 642.6792143911.

The spelling of 265450020 in words is "two hundred sixty-five million, four hundred fifty thousand, twenty".