1010020 has 24 divisors (see below), whose sum is σ = 2314368. Its totient is φ = 367200.

The previous prime is 1010003. The next prime is 1010033. The reversal of 1010020 is 200101.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a junction number, because it is equal to n+sod(n) for n = 1009991 and 1010009.

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 7 ways as a sum of consecutive naturals, for example, 2076 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (96432).

2^1010020 is an apocalyptic number.

1010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010020 is an abundant number, since it is smaller than the sum of its proper divisors (1304348).

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

1010020 is a wasteful number, since it uses less digits than its factorization.

1010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 1010020 is about 1004.9975124347. The cubic root of 1010020 is about 100.3328906088.

Adding to 1010020 its reverse (200101), we get a palindrome (1210121).

The spelling of 1010020 in words is "one million, ten thousand, twenty".