220232454100 has 36 divisors (see below), whose sum is σ = 485738937628. Its totient is φ = 86648832000.

The previous prime is 220232454061. The next prime is 220232454107. The reversal of 220232454100 is 1454232022.

220232454100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3581304336 + 216651149764 = 59844^2 + 465458^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220232454107) by changing a digit.

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, 18045741 + ... + 18057940.

Almost surely, 2^220232454100 is an apocalyptic number.

220232454100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220232454100 is an abundant number, since it is smaller than the sum of its proper divisors (265506483528).

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

220232454100 is a wasteful number, since it uses less digits than its factorization.

220232454100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36103756 (or 36103749 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 220232454100 its reverse (1454232022), we get a palindrome (221686686122).

The spelling of 220232454100 in words is "two hundred twenty billion, two hundred thirty-two million, four hundred fifty-four thousand, one hundred".