220452315450 has 48 divisors (see below), whose sum is σ = 557037266976. Its totient is φ = 57678088000.

The previous prime is 220452315439. The next prime is 220452315469. The reversal of 220452315450 is 54513254022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13856976 + ... + 13872875.

It is an arithmetic number, because the mean of its divisors is an integer number (11604943062).

Almost surely, 2^220452315450 is an apocalyptic number.

220452315450 is an abundant number, since it is smaller than the sum of its proper divisors (336584951526).

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

220452315450 is a wasteful number, since it uses less digits than its factorization.

220452315450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27729919 (or 27729914 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 220452315450 its reverse (54513254022), we get a palindrome (274965569472).

The spelling of 220452315450 in words is "two hundred twenty billion, four hundred fifty-two million, three hundred fifteen thousand, four hundred fifty".