20423433041 has 4 divisors (see below), whose sum is σ = 22280108784. Its totient is φ = 18566757300.

The previous prime is 20423433007. The next prime is 20423433091. The reversal of 20423433041 is 14033432402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20423433041 - 2³⁴ = 3243563857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20423433041.

It is not an unprimeable number, because it can be changed into a prime (20423433001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928337855 + ... + 928337876.

It is an arithmetic number, because the mean of its divisors is an integer number (5570027196).

Almost surely, 2^20423433041 is an apocalyptic number.

It is an amenable number.

20423433041 is a deficient number, since it is larger than the sum of its proper divisors (1856675743).

20423433041 is a wasteful number, since it uses less digits than its factorization.

20423433041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856675742.

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

Adding to 20423433041 its reverse (14033432402), we get a palindrome (34456865443).

The spelling of 20423433041 in words is "twenty billion, four hundred twenty-three million, four hundred thirty-three thousand, forty-one".