2020010121 has 24 divisors (see below), whose sum is σ = 3058136640. Its totient is φ = 1282418016.

The previous prime is 2020010119. The next prime is 2020010143. The reversal of 2020010121 is 1210100202.

It is not a de Polignac number, because 2020010121 - 2¹ = 2020010119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2020011121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25495 + ... + 68483.

It is an arithmetic number, because the mean of its divisors is an integer number (127422360).

Almost surely, 2^2020010121 is an apocalyptic number.

It is an amenable number.

2020010121 is a deficient number, since it is larger than the sum of its proper divisors (1038126519).

2020010121 is a wasteful number, since it uses less digits than its factorization.

2020010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43245 (or 43242 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2020010121 is about 44944.5227029946. The cubic root of 2020010121 is about 1264.1089760851.

Adding to 2020010121 its reverse (1210100202), we get a palindrome (3230110323).

The spelling of 2020010121 in words is "two billion, twenty million, ten thousand, one hundred twenty-one".