20154200433 has 16 divisors (see below), whose sum is σ = 27006600192. Its totient is φ = 13369122000.

The previous prime is 20154200393. The next prime is 20154200471. The reversal of 20154200433 is 33400245102.

It is not a de Polignac number, because 20154200433 - 2¹⁰ = 20154199409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20154200933) 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, 513828 + ... + 551658.

It is an arithmetic number, because the mean of its divisors is an integer number (1687912512).

Almost surely, 2^20154200433 is an apocalyptic number.

It is an amenable number.

20154200433 is a deficient number, since it is larger than the sum of its proper divisors (6852399759).

20154200433 is a wasteful number, since it uses less digits than its factorization.

20154200433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38716.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20154200433 its reverse (33400245102), we get a palindrome (53554445535).

The spelling of 20154200433 in words is "twenty billion, one hundred fifty-four million, two hundred thousand, four hundred thirty-three".