21200662403 has 8 divisors (see below), whose sum is σ = 22422256320. Its totient is φ = 19989645480.

The previous prime is 21200662397. The next prime is 21200662411. The reversal of 21200662403 is 30426600212.

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 21200662403 - 2⁴ = 21200662387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21200662453) 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, 2640125 + ... + 2648142.

It is an arithmetic number, because the mean of its divisors is an integer number (2802782040).

Almost surely, 2^21200662403 is an apocalyptic number.

21200662403 is a deficient number, since it is larger than the sum of its proper divisors (1221593917).

21200662403 is a wasteful number, since it uses less digits than its factorization.

21200662403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288497.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 21200662403 in words is "twenty-one billion, two hundred million, six hundred sixty-two thousand, four hundred three".