20125211203 has 8 divisors (see below), whose sum is σ = 20174232320. Its totient is φ = 20076222600.

The previous prime is 20125211177. The next prime is 20125211219. The reversal of 20125211203 is 30211252102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20125211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20125211243) 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, 1610128 + ... + 1622578.

It is an arithmetic number, because the mean of its divisors is an integer number (2521779040).

Almost surely, 2^20125211203 is an apocalyptic number.

20125211203 is a deficient number, since it is larger than the sum of its proper divisors (49021117).

20125211203 is a wasteful number, since it uses less digits than its factorization.

20125211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16257.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20125211203 its reverse (30211252102), we get a palindrome (50336463305).

The spelling of 20125211203 in words is "twenty billion, one hundred twenty-five million, two hundred eleven thousand, two hundred three".