20233540355 has 24 divisors (see below), whose sum is σ = 28252647360. Its totient is φ = 13870362240.

The previous prime is 20233540337. The next prime is 20233540361. The reversal of 20233540355 is 55304533202.

It is not a de Polignac number, because 20233540355 - 2²⁰ = 20232491779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997151 + ... + 1017239.

It is an arithmetic number, because the mean of its divisors is an integer number (1177193640).

Almost surely, 2^20233540355 is an apocalyptic number.

20233540355 is a deficient number, since it is larger than the sum of its proper divisors (8019107005).

20233540355 is a wasteful number, since it uses less digits than its factorization.

20233540355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24219 (or 24212 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 32.

The spelling of 20233540355 in words is "twenty billion, two hundred thirty-three million, five hundred forty thousand, three hundred fifty-five".