220450762464 has 48 divisors (see below), whose sum is σ = 578751077520. Its totient is φ = 73474974720.

The previous prime is 220450762463. The next prime is 220450762559. The reversal of 220450762464 is 464267054022.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220450762463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716652 + ... + 976980.

It is an arithmetic number, because the mean of its divisors is an integer number (12057314115).

Almost surely, 2^220450762464 is an apocalyptic number.

220450762464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220450762464 is an abundant number, since it is smaller than the sum of its proper divisors (358300315056).

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

220450762464 is a wasteful number, since it uses less digits than its factorization.

220450762464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269163 (or 269155 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 220450762464 in words is "two hundred twenty billion, four hundred fifty million, seven hundred sixty-two thousand, four hundred sixty-four".