254220220420 has 24 divisors (see below), whose sum is σ = 545221240704. Its totient is φ = 99524511456.

The previous prime is 254220220369. The next prime is 254220220459. The reversal of 254220220420 is 24022022452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135222582 + ... + 135224461.

It is an arithmetic number, because the mean of its divisors is an integer number (22717551696).

Almost surely, 2^254220220420 is an apocalyptic number.

254220220420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254220220420 is an abundant number, since it is smaller than the sum of its proper divisors (291001020284).

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

254220220420 is a wasteful number, since it uses less digits than its factorization.

254220220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270447099 (or 270447097 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 254220220420 its reverse (24022022452), we get a palindrome (278242242872).

The spelling of 254220220420 in words is "two hundred fifty-four billion, two hundred twenty million, two hundred twenty thousand, four hundred twenty".