20200423051 has 2 divisors, whose sum is σ = 20200423052. Its totient is φ = 20200423050.

The previous prime is 20200423037. The next prime is 20200423069. The reversal of 20200423051 is 15032400202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200423051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200424051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100211525 + 10100211526.

It is an arithmetic number, because the mean of its divisors is an integer number (10100211526).

Almost surely, 2^20200423051 is an apocalyptic number.

20200423051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200423051 is an equidigital number, since it uses as much as digits as its factorization.

20200423051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20200423051 its reverse (15032400202), we get a palindrome (35232823253).

The spelling of 20200423051 in words is "twenty billion, two hundred million, four hundred twenty-three thousand, fifty-one".