20200130121 has 32 divisors (see below), whose sum is σ = 28359475200. Its totient is φ = 12764879424.

The previous prime is 20200130101. The next prime is 20200130219. The reversal of 20200130121 is 12103100202.

It is not a de Polignac number, because 20200130121 - 2¹⁰ = 20200129097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200130097 and 20200130106.

It is not an unprimeable number, because it can be changed into a prime (20200130101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4019016 + ... + 4024038.

It is an arithmetic number, because the mean of its divisors is an integer number (886233600).

Almost surely, 2^20200130121 is an apocalyptic number.

It is an amenable number.

20200130121 is a deficient number, since it is larger than the sum of its proper divisors (8159345079).

20200130121 is a wasteful number, since it uses less digits than its factorization.

20200130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20200130121 its reverse (12103100202), we get a palindrome (32303230323).

The spelling of 20200130121 in words is "twenty billion, two hundred million, one hundred thirty thousand, one hundred twenty-one".