265426020 has 36 divisors (see below), whose sum is σ = 805126140. Its totient is φ = 70780224.

The previous prime is 265426013. The next prime is 265426027. The reversal of 265426020 is 20624562.

265426020 is a `hidden beast` number, since 2 + 6 + 54 + 2 + 602 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (265426013) and next prime (265426027).

It can be written as a sum of positive squares in 2 ways, for example, as 29680704 + 235745316 = 5448^2 + 15354^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (265426027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737115 + ... + 737474.

It is an arithmetic number, because the mean of its divisors is an integer number (22364615).

Almost surely, 2^265426020 is an apocalyptic number.

265426020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265426020 is an abundant number, since it is smaller than the sum of its proper divisors (539700120).

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

265426020 is a wasteful number, since it uses less digits than its factorization.

265426020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474604 (or 1474599 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 265426020 is about 16291.9004416305. The cubic root of 265426020 is about 642.6598450625.

The spelling of 265426020 in words is "two hundred sixty-five million, four hundred twenty-six thousand, twenty".