220453025540 has 48 divisors (see below), whose sum is σ = 506835270144. Its totient is φ = 79879430400.

The previous prime is 220453025531. The next prime is 220453025557. The reversal of 220453025540 is 45520354022.

It is a junction number, because it is equal to n+sod(n) for n = 220453025497 and 220453025506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721204 + ... + 1844843.

It is an arithmetic number, because the mean of its divisors is an integer number (10559068128).

Almost surely, 2^220453025540 is an apocalyptic number.

220453025540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220453025540 is an abundant number, since it is smaller than the sum of its proper divisors (286382244604).

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

220453025540 is a wasteful number, since it uses less digits than its factorization.

220453025540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566348 (or 3566346 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 220453025540 its reverse (45520354022), we get a palindrome (265973379562).

The spelling of 220453025540 in words is "two hundred twenty billion, four hundred fifty-three million, twenty-five thousand, five hundred forty".