20200122203 has 4 divisors (see below), whose sum is σ = 20210031120. Its totient is φ = 20190213288.

The previous prime is 20200122197. The next prime is 20200122247. The reversal of 20200122203 is 30222100202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200122203 is a prime.

It is a super-2 number, since 2×20200122203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200127203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4951400 + ... + 4955477.

It is an arithmetic number, because the mean of its divisors is an integer number (5052507780).

Almost surely, 2^20200122203 is an apocalyptic number.

20200122203 is a deficient number, since it is larger than the sum of its proper divisors (9908917).

20200122203 is an equidigital number, since it uses as much as digits as its factorization.

20200122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908916.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20200122203 its reverse (30222100202), we get a palindrome (50422222405).

The spelling of 20200122203 in words is "twenty billion, two hundred million, one hundred twenty-two thousand, two hundred three".