20223111225 has 48 divisors (see below), whose sum is σ = 35392377600. Its totient is φ = 10160781120.

The previous prime is 20223111203. The next prime is 20223111253. The reversal of 20223111225 is 52211132202.

It is not a de Polignac number, because 20223111225 - 2²⁴ = 20206334009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215434 + ... + 294716.

It is an arithmetic number, because the mean of its divisors is an integer number (737341200).

Almost surely, 2^20223111225 is an apocalyptic number.

20223111225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20223111225 is a deficient number, since it is larger than the sum of its proper divisors (15169266375).

20223111225 is a wasteful number, since it uses less digits than its factorization.

20223111225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79494 (or 79489 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20223111225 its reverse (52211132202), we get a palindrome (72434243427).

The spelling of 20223111225 in words is "twenty billion, two hundred twenty-three million, one hundred eleven thousand, two hundred twenty-five".