220403396825 has 24 divisors (see below), whose sum is σ = 280657453440. Its totient is φ = 171617572800.

The previous prime is 220403396771. The next prime is 220403396827. The reversal of 220403396825 is 528693304022.

It is not a de Polignac number, because 220403396825 - 2⁶ = 220403396761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220403396827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305495 + ... + 730844.

It is an arithmetic number, because the mean of its divisors is an integer number (11694060560).

Almost surely, 2^220403396825 is an apocalyptic number.

220403396825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220403396825 is a deficient number, since it is larger than the sum of its proper divisors (60254056615).

220403396825 is a wasteful number, since it uses less digits than its factorization.

220403396825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036577 (or 1036572 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 220403396825 in words is "two hundred twenty billion, four hundred three million, three hundred ninety-six thousand, eight hundred twenty-five".