20243450111 has 8 divisors (see below), whose sum is σ = 21451933584. Its totient is φ = 19036932480.

The previous prime is 20243450093. The next prime is 20243450119. The reversal of 20243450111 is 11105434202.

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 20243450111 - 2⁶ = 20243450047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243450119) 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, 470225 + ... + 511466.

It is an arithmetic number, because the mean of its divisors is an integer number (2681491698).

Almost surely, 2^20243450111 is an apocalyptic number.

20243450111 is a deficient number, since it is larger than the sum of its proper divisors (1208483473).

20243450111 is a wasteful number, since it uses less digits than its factorization.

20243450111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982921.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20243450111 its reverse (11105434202), we get a palindrome (31348884313).

The spelling of 20243450111 in words is "twenty billion, two hundred forty-three million, four hundred fifty thousand, one hundred eleven".