10206399803 has 16 divisors (see below), whose sum is σ = 11424460320. Its totient is φ = 9061318656.

The previous prime is 10206399787. The next prime is 10206399823. The reversal of 10206399803 is 30899360201.

It is a cyclic number.

It is not a de Polignac number, because 10206399803 - 2⁴ = 10206399787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10206399823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7451 + ... + 143067.

It is an arithmetic number, because the mean of its divisors is an integer number (714028770).

Almost surely, 2^10206399803 is an apocalyptic number.

10206399803 is a deficient number, since it is larger than the sum of its proper divisors (1218060517).

10206399803 is a wasteful number, since it uses less digits than its factorization.

10206399803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135886.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 10206399803 in words is "ten billion, two hundred six million, three hundred ninety-nine thousand, eight hundred three".