250290020 has 24 divisors (see below), whose sum is σ = 525969024. Its totient is φ = 100047456.

The previous prime is 250289989. The next prime is 250290023. The reversal of 250290020 is 20092052.

It is a super-2 number, since 2×250290020² = 125290188223200800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 250289974 and 250290001.

It is not an unprimeable number, because it can be changed into a prime (250290023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33989 + ... + 40691.

It is an arithmetic number, because the mean of its divisors is an integer number (21915376).

Almost surely, 2^250290020 is an apocalyptic number.

250290020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250290020 is an abundant number, since it is smaller than the sum of its proper divisors (275679004).

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

250290020 is a wasteful number, since it uses less digits than its factorization.

250290020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579 (or 8577 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 250290020 is about 15820.5568802113. The cubic root of 250290020 is about 630.2040323443.

The spelling of 250290020 in words is "two hundred fifty million, two hundred ninety thousand, twenty".