249424300220 has 24 divisors (see below), whose sum is σ = 554602268304. Its totient is φ = 93900912896.

The previous prime is 249424300207. The next prime is 249424300249. The reversal of 249424300220 is 22003424942.

It is a congruent number.

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, 366800102 + ... + 366800781.

It is an arithmetic number, because the mean of its divisors is an integer number (23108427846).

Almost surely, 2^249424300220 is an apocalyptic number.

249424300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249424300220 is an abundant number, since it is smaller than the sum of its proper divisors (305177968084).

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

249424300220 is a wasteful number, since it uses less digits than its factorization.

249424300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733600909 (or 733600907 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 249424300220 in words is "two hundred forty-nine billion, four hundred twenty-four million, three hundred thousand, two hundred twenty".