2725001813220 has 24 divisors (see below), whose sum is σ = 7630005077184. Its totient is φ = 726667150176.

The previous prime is 2725001813173. The next prime is 2725001813231. The reversal of 2725001813220 is 223181005272.

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, 22708348384 + ... + 22708348503.

It is an arithmetic number, because the mean of its divisors is an integer number (317916878216).

Almost surely, 2^{2725001813220} is an apocalyptic number.

2725001813220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2725001813220 is an abundant number, since it is smaller than the sum of its proper divisors (4905003263964).

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

2725001813220 is a wasteful number, since it uses less digits than its factorization.

2725001813220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45416696899 (or 45416696897 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

Adding to 2725001813220 its reverse (223181005272), we get a palindrome (2948182818492).

The spelling of 2725001813220 in words is "two trillion, seven hundred twenty-five billion, one million, eight hundred thirteen thousand, two hundred twenty".