20003212113 has 8 divisors (see below), whose sum is σ = 26672614176. Its totient is φ = 13334642400.

The previous prime is 20003212109. The next prime is 20003212123. The reversal of 20003212113 is 31121230002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20003212113 - 2² = 20003212109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003212092 and 20003212101.

It is not an unprimeable number, because it can be changed into a prime (20003212123) 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, 149668 + ... + 249813.

It is an arithmetic number, because the mean of its divisors is an integer number (3334076772).

Almost surely, 2^20003212113 is an apocalyptic number.

It is an amenable number.

20003212113 is a deficient number, since it is larger than the sum of its proper divisors (6669402063).

20003212113 is a wasteful number, since it uses less digits than its factorization.

20003212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416175.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20003212113 its reverse (31121230002), we get a palindrome (51124442115).

The spelling of 20003212113 in words is "twenty billion, three million, two hundred twelve thousand, one hundred thirteen".