1970020 has 24 divisors (see below), whose sum is σ = 4455864. Its totient is φ = 727296.

The previous prime is 1969997. The next prime is 1970029. The reversal of 1970020 is 200791.

1970020 = T₁₀₅ + T₁₀₆ + ... + T₂₃₄.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 1871424 = 314^2 + 1368^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1970020.

It is not an unprimeable number, because it can be changed into a prime (1970029) by changing a digit.

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, 3529 + ... + 4048.

It is an arithmetic number, because the mean of its divisors is an integer number (185661).

2^1970020 is an apocalyptic number.

1970020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1970020 is an abundant number, since it is smaller than the sum of its proper divisors (2485844).

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

1970020 is a wasteful number, since it uses less digits than its factorization.

1970020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599 (or 7597 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1970020 is about 1403.5740094487. The cubic root of 1970020 is about 125.3593923733.

The spelling of 1970020 in words is "one million, nine hundred seventy thousand, twenty".