220420515254 has 8 divisors (see below), whose sum is σ = 350079641928. Its totient is φ = 103727301280.

The previous prime is 220420515247. The next prime is 220420515311. The reversal of 220420515254 is 452515024022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220420515254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241478132 + ... + 3241478199.

It is an arithmetic number, because the mean of its divisors is an integer number (43759955241).

Almost surely, 2^220420515254 is an apocalyptic number.

220420515254 is a deficient number, since it is larger than the sum of its proper divisors (129659126674).

220420515254 is a wasteful number, since it uses less digits than its factorization.

220420515254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482956350.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 220420515254 its reverse (452515024022), we get a palindrome (672935539276).

The spelling of 220420515254 in words is "two hundred twenty billion, four hundred twenty million, five hundred fifteen thousand, two hundred fifty-four".