20010011203 has 16 divisors (see below), whose sum is σ = 24645100480. Its totient is φ = 15820914816.

The previous prime is 20010011191. The next prime is 20010011207. The reversal of 20010011203 is 30211001002.

It is not a de Polignac number, because 20010011203 - 2²⁵ = 19976456771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010011203.

It is not an unprimeable number, because it can be changed into a prime (20010011207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53101 + ... + 206977.

It is an arithmetic number, because the mean of its divisors is an integer number (1540318780).

Almost surely, 2^20010011203 is an apocalyptic number.

20010011203 is a deficient number, since it is larger than the sum of its proper divisors (4635089277).

20010011203 is a wasteful number, since it uses less digits than its factorization.

20010011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155326.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20010011203 its reverse (30211001002), we get a palindrome (50221012205).

The spelling of 20010011203 in words is "twenty billion, ten million, eleven thousand, two hundred three".