1000572020 has 48 divisors (see below), whose sum is σ = 2440760448. Its totient is φ = 337426560.

The previous prime is 1000572017. The next prime is 1000572029. The reversal of 1000572020 is 202750001.

1000572020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000572020² = 2002288734413760800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000572020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000572029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50042 + ... + 67121.

It is an arithmetic number, because the mean of its divisors is an integer number (50849176).

Almost surely, 2^1000572020 is an apocalyptic number.

1000572020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000572020 is an abundant number, since it is smaller than the sum of its proper divisors (1440188428).

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

1000572020 is a wasteful number, since it uses less digits than its factorization.

1000572020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117240 (or 117238 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1000572020 is about 31631.8197389907. The cubic root of 1000572020 is about 1000.1906369886.

The spelling of 1000572020 in words is "one billion, five hundred seventy-two thousand, twenty".