20014366403 has 4 divisors (see below), whose sum is σ = 20014700640. Its totient is φ = 20014032168.

The previous prime is 20014366399. The next prime is 20014366409. The reversal of 20014366403 is 30466341002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20014366403 - 2² = 20014366399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20014366409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49883 + ... + 206196.

It is an arithmetic number, because the mean of its divisors is an integer number (5003675160).

Almost surely, 2^20014366403 is an apocalyptic number.

20014366403 is a deficient number, since it is larger than the sum of its proper divisors (334237).

20014366403 is an equidigital number, since it uses as much as digits as its factorization.

20014366403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334236.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 20014366403 in words is "twenty billion, fourteen million, three hundred sixty-six thousand, four hundred three".