220552020400 has 60 divisors (see below), whose sum is σ = 537784894792. Its totient is φ = 86904069120.

The previous prime is 220552020389. The next prime is 220552020431. The reversal of 220552020400 is 4020255022.

It is a happy number.

220552020400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4087977 + ... + 4141576.

Almost surely, 2^220552020400 is an apocalyptic number.

220552020400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220552020400 is an abundant number, since it is smaller than the sum of its proper divisors (317232874392).

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

220552020400 is a wasteful number, since it uses less digits than its factorization.

220552020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229638 (or 8229627 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

Adding to 220552020400 its reverse (4020255022), we get a palindrome (224572275422).

The spelling of 220552020400 in words is "two hundred twenty billion, five hundred fifty-two million, twenty thousand, four hundred".