20403022013 has 8 divisors (see below), whose sum is σ = 22259620800. Its totient is φ = 18546719680.

The previous prime is 20403021973. The next prime is 20403022063. The reversal of 20403022013 is 31022030402.

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 20403022013 - 2²⁴ = 20386244797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20403021982 and 20403022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403022063) 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, 84581 + ... + 218997.

It is an arithmetic number, because the mean of its divisors is an integer number (2782452600).

Almost surely, 2^20403022013 is an apocalyptic number.

It is an amenable number.

20403022013 is a deficient number, since it is larger than the sum of its proper divisors (1856598787).

20403022013 is a wasteful number, since it uses less digits than its factorization.

20403022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148227.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20403022013 its reverse (31022030402), we get a palindrome (51425052415).

The spelling of 20403022013 in words is "twenty billion, four hundred three million, twenty-two thousand, thirteen".