20433404013 has 8 divisors (see below), whose sum is σ = 29721314976. Its totient is φ = 12383881200.

The previous prime is 20433403961. The next prime is 20433404021. The reversal of 20433404013 is 31040433402.

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

It is not a de Polignac number, because 20433404013 - 2¹⁴ = 20433387629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433304013) 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, 309596998 + ... + 309597063.

It is an arithmetic number, because the mean of its divisors is an integer number (3715164372).

Almost surely, 2^20433404013 is an apocalyptic number.

It is an amenable number.

20433404013 is a deficient number, since it is larger than the sum of its proper divisors (9287910963).

20433404013 is a wasteful number, since it uses less digits than its factorization.

20433404013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619194075.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20433404013 its reverse (31040433402), we get a palindrome (51473837415).

The spelling of 20433404013 in words is "twenty billion, four hundred thirty-three million, four hundred four thousand, thirteen".