263085220 has 24 divisors (see below), whose sum is σ = 570302208. Its totient is φ = 101839200.

The previous prime is 263085167. The next prime is 263085239. The reversal of 263085220 is 22580362.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211546 + ... + 212785.

It is an arithmetic number, because the mean of its divisors is an integer number (23762592).

Almost surely, 2^263085220 is an apocalyptic number.

263085220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263085220 is an abundant number, since it is smaller than the sum of its proper divisors (307216988).

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

263085220 is a wasteful number, since it uses less digits than its factorization.

263085220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424371 (or 424369 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 263085220 is about 16219.9019725768. The cubic root of 263085220 is about 640.7650518943.

The spelling of 263085220 in words is "two hundred sixty-three million, eighty-five thousand, two hundred twenty".