20033412513 has 16 divisors (see below), whose sum is σ = 26949375552. Its totient is φ = 13237056000.

The previous prime is 20033412491. The next prime is 20033412533. The reversal of 20033412513 is 31521433002.

It is not a de Polignac number, because 20033412513 - 2⁶ = 20033412449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20033412533) 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, 86893 + ... + 218213.

It is an arithmetic number, because the mean of its divisors is an integer number (1684335972).

Almost surely, 2^20033412513 is an apocalyptic number.

It is an amenable number.

20033412513 is a deficient number, since it is larger than the sum of its proper divisors (6915963039).

20033412513 is a wasteful number, since it uses less digits than its factorization.

20033412513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131776.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 20033412513 its reverse (31521433002), we get a palindrome (51554845515).

The spelling of 20033412513 in words is "twenty billion, thirty-three million, four hundred twelve thousand, five hundred thirteen".