20112021325 has 24 divisors (see below), whose sum is σ = 27314564256. Its totient is φ = 14568600000.

The previous prime is 20112021301. The next prime is 20112021337. The reversal of 20112021325 is 52312021102.

It is not a de Polignac number, because 20112021325 - 2⁷ = 20112021197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76662 + ... + 214711.

It is an arithmetic number, because the mean of its divisors is an integer number (1138106844).

Almost surely, 2^20112021325 is an apocalyptic number.

20112021325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20112021325 is a deficient number, since it is larger than the sum of its proper divisors (7202542931).

20112021325 is a wasteful number, since it uses less digits than its factorization.

20112021325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291645 (or 291640 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20112021325 its reverse (52312021102), we get a palindrome (72424042427).

The spelling of 20112021325 in words is "twenty billion, one hundred twelve million, twenty-one thousand, three hundred twenty-five".