20233148811 has 32 divisors (see below), whose sum is σ = 28721871360. Its totient is φ = 12633117696.

The previous prime is 20233148809. The next prime is 20233148827. The reversal of 20233148811 is 11884133202.

It is not a de Polignac number, because 20233148811 - 2¹ = 20233148809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20233148801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7556805 + ... + 7559481.

It is an arithmetic number, because the mean of its divisors is an integer number (897558480).

Almost surely, 2^20233148811 is an apocalyptic number.

20233148811 is a deficient number, since it is larger than the sum of its proper divisors (8488722549).

20233148811 is a wasteful number, since it uses less digits than its factorization.

20233148811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 20233148811 in words is "twenty billion, two hundred thirty-three million, one hundred forty-eight thousand, eight hundred eleven".