20220120325 has 12 divisors (see below), whose sum is σ = 25093589220. Its totient is φ = 16162780160.

The previous prime is 20220120313. The next prime is 20220120329. The reversal of 20220120325 is 52302102202.

It can be written as a sum of positive squares in 6 ways, for example, as 3153833281 + 17066287044 = 56159^2 + 130638^2 .

It is not a de Polignac number, because 20220120325 - 2⁵ = 20220120293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220120329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301870 + ... + 362719.

It is an arithmetic number, because the mean of its divisors is an integer number (2091132435).

Almost surely, 2^20220120325 is an apocalyptic number.

20220120325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20220120325 is a deficient number, since it is larger than the sum of its proper divisors (4873468895).

20220120325 is a wasteful number, since it uses less digits than its factorization.

20220120325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665816 (or 665811 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20220120325 its reverse (52302102202), we get a palindrome (72522222527).

The spelling of 20220120325 in words is "twenty billion, two hundred twenty million, one hundred twenty thousand, three hundred twenty-five".