245762220 has 48 divisors (see below), whose sum is σ = 750693888. Its totient is φ = 59578560.

The previous prime is 245762137. The next prime is 245762249. The reversal of 245762220 is 22267542.

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

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, 185524 + ... + 186843.

It is an arithmetic number, because the mean of its divisors is an integer number (15639456).

Almost surely, 2^245762220 is an apocalyptic number.

245762220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245762220 is an abundant number, since it is smaller than the sum of its proper divisors (504931668).

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

245762220 is a wasteful number, since it uses less digits than its factorization.

245762220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372390 (or 372388 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 245762220 is about 15676.8051592153. The cubic root of 245762220 is about 626.3807086504.

It can be divided in two parts, 24576 and 2220, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 245762220 in words is "two hundred forty-five million, seven hundred sixty-two thousand, two hundred twenty".