2020121010 has 48 divisors (see below), whose sum is σ = 5255129880. Its totient is φ = 538410240.

The previous prime is 2020120997. The next prime is 2020121017. The reversal of 2020121010 is 101210202.

It can be written as a sum of positive squares in 4 ways, for example, as 1386743121 + 633377889 = 37239^2 + 25167^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2020120983 and 2020121001.

It is not an unprimeable number, because it can be changed into a prime (2020121017) 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, 202950 + ... + 212670.

Almost surely, 2^2020121010 is an apocalyptic number.

2020121010 is an abundant number, since it is smaller than the sum of its proper divisors (3235008870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020121010 is a wasteful number, since it uses less digits than its factorization.

2020121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043 (or 12040 counting only the distinct ones).

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

The square root of 2020121010 is about 44945.7563069084. The cubic root of 2020121010 is about 1264.1321068628.

Adding to 2020121010 its reverse (101210202), we get a palindrome (2121331212).

The spelling of 2020121010 in words is "two billion, twenty million, one hundred twenty-one thousand, ten".