20204143433 has 8 divisors (see below), whose sum is σ = 20322720648. Its totient is φ = 20085709824.

The previous prime is 20204143417. The next prime is 20204143451. The reversal of 20204143433 is 33434140202.

It can be written as a sum of positive squares in 4 ways, for example, as 3291661129 + 16912482304 = 57373^2 + 130048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20204143433 - 2⁴ = 20204143417 is a prime.

It is a super-2 number, since 2×20204143433² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20204143403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253091 + ... + 323207.

It is an arithmetic number, because the mean of its divisors is an integer number (2540340081).

Almost surely, 2^20204143433 is an apocalyptic number.

It is an amenable number.

20204143433 is a deficient number, since it is larger than the sum of its proper divisors (118577215).

20204143433 is a wasteful number, since it uses less digits than its factorization.

20204143433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71803.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20204143433 its reverse (33434140202), we get a palindrome (53638283635).

The spelling of 20204143433 in words is "twenty billion, two hundred four million, one hundred forty-three thousand, four hundred thirty-three".