220302648400 has 30 divisors (see below), whose sum is σ = 529277113742. Its totient is φ = 88121059200.

The previous prime is 220302648383. The next prime is 220302648409. The reversal of 220302648400 is 4846203022.

It can be written as a sum of positive squares in 3 ways, for example, as 52649536 + 220249998864 = 7256^2 + 469308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220302648409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275377911 + ... + 275378710.

Almost surely, 2^220302648400 is an apocalyptic number.

220302648400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220302648400 is an abundant number, since it is smaller than the sum of its proper divisors (308974465342).

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

220302648400 is a wasteful number, since it uses less digits than its factorization.

220302648400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550756639 (or 550756628 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 220302648400 in words is "two hundred twenty billion, three hundred two million, six hundred forty-eight thousand, four hundred".