20039310403 has 8 divisors (see below), whose sum is σ = 23191969280. Its totient is φ = 16959126600.

The previous prime is 20039310383. The next prime is 20039310409. The reversal of 20039310403 is 30401393002.

It is a happy number.

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 20039310403 - 2⁹ = 20039309891 is a prime.

It is a super-2 number, since 2×20039310403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20039310409) 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, 18118173 + ... + 18119278.

It is an arithmetic number, because the mean of its divisors is an integer number (2898996160).

Almost surely, 2^20039310403 is an apocalyptic number.

20039310403 is a deficient number, since it is larger than the sum of its proper divisors (3152658877).

20039310403 is an equidigital number, since it uses as much as digits as its factorization.

20039310403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36237537.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 20039310403 in words is "twenty billion, thirty-nine million, three hundred ten thousand, four hundred three".