2020070820 has 48 divisors (see below), whose sum is σ = 5794161408. Its totient is φ = 525546240.

The previous prime is 2020070809. The next prime is 2020070827. The reversal of 2020070820 is 280700202.

It is a super-2 number, since 2×2020070820² = 8161372235630944800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2020070827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408124 + ... + 413043.

It is an arithmetic number, because the mean of its divisors is an integer number (120711696).

Almost surely, 2^2020070820 is an apocalyptic number.

2020070820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020070820 is an abundant number, since it is smaller than the sum of its proper divisors (3774090588).

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

2020070820 is a wasteful number, since it uses less digits than its factorization.

2020070820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821220 (or 821218 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2020070820 is about 44945.1979637425. The cubic root of 2020070820 is about 1264.1216376359.

The spelling of 2020070820 in words is "two billion, twenty million, seventy thousand, eight hundred twenty".