20036651203 has 16 divisors (see below), whose sum is σ = 20872028160. Its totient is φ = 19211264800.

The previous prime is 20036651183. The next prime is 20036651207. The reversal of 20036651203 is 30215663002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20036651203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20036651207) 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, 3580938 + ... + 3586528.

It is an arithmetic number, because the mean of its divisors is an integer number (1304501760).

Almost surely, 2^20036651203 is an apocalyptic number.

20036651203 is a deficient number, since it is larger than the sum of its proper divisors (835376957).

20036651203 is a wasteful number, since it uses less digits than its factorization.

20036651203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 20036651203 in words is "twenty billion, thirty-six million, six hundred fifty-one thousand, two hundred three".