254623980020 has 48 divisors (see below), whose sum is σ = 535890628560. Its totient is φ = 101624979456.

The previous prime is 254623980007. The next prime is 254623980031. The reversal of 254623980020 is 20089326452.

It can be written as a sum of positive squares in 8 ways, for example, as 74513712784 + 180110267236 = 272972^2 + 424394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 254623980020.

It is a congruent number.

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, 25900466 + ... + 25910294.

It is an arithmetic number, because the mean of its divisors is an integer number (11164388095).

Almost surely, 2^254623980020 is an apocalyptic number.

254623980020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254623980020 is an abundant number, since it is smaller than the sum of its proper divisors (281266648540).

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

254623980020 is a wasteful number, since it uses less digits than its factorization.

254623980020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564 (or 12562 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 254623980020 in words is "two hundred fifty-four billion, six hundred twenty-three million, nine hundred eighty thousand, twenty".