220107850925 has 12 divisors (see below), whose sum is σ = 277408060596. Its totient is φ = 173199619200.

The previous prime is 220107850901. The next prime is 220107850943. The reversal of 220107850925 is 529058701022.

It can be written as a sum of positive squares in 6 ways, for example, as 88764668356 + 131343182569 = 297934^2 + 362413^2 .

It is not a de Polignac number, because 220107850925 - 2¹⁸ = 220107588781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72164984 + ... + 72168033.

It is an arithmetic number, because the mean of its divisors is an integer number (23117338383).

Almost surely, 2^220107850925 is an apocalyptic number.

220107850925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220107850925 is a deficient number, since it is larger than the sum of its proper divisors (57300209671).

220107850925 is a wasteful number, since it uses less digits than its factorization.

220107850925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144333088 (or 144333083 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 220107850925 in words is "two hundred twenty billion, one hundred seven million, eight hundred fifty thousand, nine hundred twenty-five".