1010122020 has 36 divisors (see below), whose sum is σ = 3064037340. Its totient is φ = 269365824.

The previous prime is 1010121967. The next prime is 1010122033. The reversal of 1010122020 is 202210101.

1010122020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 497914596 + 512207424 = 22314^2 + 22632^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 1010121993 and 1010122011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2805715 + ... + 2806074.

Almost surely, 2^1010122020 is an apocalyptic number.

1010122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010122020 is an abundant number, since it is smaller than the sum of its proper divisors (2053915320).

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

1010122020 is a wasteful number, since it uses less digits than its factorization.

1010122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611804 (or 5611799 counting only the distinct ones).

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

The square root of 1010122020 is about 31782.4168369871. The cubic root of 1010122020 is about 1003.3626863326.

Adding to 1010122020 its reverse (202210101), we get a palindrome (1212332121).

The spelling of 1010122020 in words is "one billion, ten million, one hundred twenty-two thousand, twenty".