20120313100203 has 40 divisors (see below), whose sum is σ = 31144430412480. Its totient is φ = 12929456131200.

The previous prime is 20120313100189. The next prime is 20120313100213. The reversal of 20120313100203 is 30200131302102.

20120313100203 is a `hidden beast` number, since 2 + 0 + 120 + 31 + 310 + 0 + 203 = 666.

It is not a de Polignac number, because 20120313100203 - 2²² = 20120308905899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120313100213) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5714275 + ... + 8537772.

It is an arithmetic number, because the mean of its divisors is an integer number (778610760312).

Almost surely, 2^{20120313100203} is an apocalyptic number.

20120313100203 is a deficient number, since it is larger than the sum of its proper divisors (11024117312277).

20120313100203 is a wasteful number, since it uses less digits than its factorization.

20120313100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14252689 (or 14252680 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20120313100203 its reverse (30200131302102), we get a palindrome (50320444402305).

The spelling of 20120313100203 in words is "twenty trillion, one hundred twenty billion, three hundred thirteen million, one hundred thousand, two hundred three".