20233853073 has 36 divisors (see below), whose sum is σ = 34147013940. Its totient is φ = 11511654336.

The previous prime is 20233853063. The next prime is 20233853119. The reversal of 20233853073 is 37035833202.

20233853073 is a `hidden beast` number, since 2 + 0 + 23 + 38 + 530 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7620766209 + 12613086864 = 87297^2 + 112308^2 .

It is not a de Polignac number, because 20233853073 - 2¹² = 20233848977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20233853023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 811 + ... + 201167.

It is an arithmetic number, because the mean of its divisors is an integer number (948528165).

Almost surely, 2^20233853073 is an apocalyptic number.

It is an amenable number.

20233853073 is a deficient number, since it is larger than the sum of its proper divisors (13913160867).

20233853073 is a wasteful number, since it uses less digits than its factorization.

20233853073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200606 (or 200596 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 20233853073 in words is "twenty billion, two hundred thirty-three million, eight hundred fifty-three thousand, seventy-three".