20023030032013 has 12 divisors (see below), whose sum is σ = 20940681631968. Its totient is φ = 19144013988440.

The previous prime is 20023030032001. The next prime is 20023030032023. The reversal of 20023030032013 is 31023003032002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20023030032013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023030032023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7148953 + ... + 9547438.

It is an arithmetic number, because the mean of its divisors is an integer number (1745056802664).

Almost surely, 2^{20023030032013} is an apocalyptic number.

20023030032013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20023030032013 is a deficient number, since it is larger than the sum of its proper divisors (917651599955).

20023030032013 is a wasteful number, since it uses less digits than its factorization.

20023030032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16698704 (or 16698681 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20023030032013 its reverse (31023003032002), we get a palindrome (51046033064015).

The spelling of 20023030032013 in words is "twenty trillion, twenty-three billion, thirty million, thirty-two thousand, thirteen".