20355514233 has 16 divisors (see below), whose sum is σ = 27414868800. Its totient is φ = 13433480640.

The previous prime is 20355514177. The next prime is 20355514241. The reversal of 20355514233 is 33241555302.

It is not a de Polignac number, because 20355514233 - 2¹⁰ = 20355513209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20355514194 and 20355514203.

It is not an unprimeable number, because it can be changed into a prime (20355514633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334578 + ... + 390708.

It is an arithmetic number, because the mean of its divisors is an integer number (1713429300).

Almost surely, 2^20355514233 is an apocalyptic number.

It is an amenable number.

20355514233 is a deficient number, since it is larger than the sum of its proper divisors (7059354567).

20355514233 is a wasteful number, since it uses less digits than its factorization.

20355514233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57352.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 20355514233 in words is "twenty billion, three hundred fifty-five million, five hundred fourteen thousand, two hundred thirty-three".