10122020 has 12 divisors (see below), whose sum is σ = 21256284. Its totient is φ = 4048800.

The previous prime is 10122011. The next prime is 10122043. The reversal of 10122020 is 2022101.

It can be written as a sum of positive squares in 2 ways, for example, as 1700416 + 8421604 = 1304^2 + 2902^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10121989 and 10122007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253031 + ... + 253070.

It is an arithmetic number, because the mean of its divisors is an integer number (1771357).

Almost surely, 2^10122020 is an apocalyptic number.

10122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122020 is an abundant number, since it is smaller than the sum of its proper divisors (11134264).

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

10122020 is a wasteful number, since it uses less digits than its factorization.

10122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506110 (or 506108 counting only the distinct ones).

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

The square root of 10122020 is about 3181.5122190556. The cubic root of 10122020 is about 216.3162092476.

Adding to 10122020 its reverse (2022101), we get a palindrome (12144121).

The spelling of 10122020 in words is "ten million, one hundred twenty-two thousand, twenty".