20113224331 has 8 divisors (see below), whose sum is σ = 21333662064. Its totient is φ = 18896931840.

The previous prime is 20113224319. The next prime is 20113224343. The reversal of 20113224331 is 13342231102.

It is an interprime number because it is at equal distance from previous prime (20113224319) and next prime (20113224343).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20113224331 - 2¹³ = 20113216139 is a prime.

It is a super-2 number, since 2×20113224331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113224301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026310 + ... + 1045723.

It is an arithmetic number, because the mean of its divisors is an integer number (2666707758).

Almost surely, 2^20113224331 is an apocalyptic number.

20113224331 is a deficient number, since it is larger than the sum of its proper divisors (1220437733).

20113224331 is a wasteful number, since it uses less digits than its factorization.

20113224331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072621.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20113224331 its reverse (13342231102), we get a palindrome (33455455433).

The spelling of 20113224331 in words is "twenty billion, one hundred thirteen million, two hundred twenty-four thousand, three hundred thirty-one".