1702002020 has 12 divisors (see below), whose sum is σ = 3574204284. Its totient is φ = 680800800.

The previous prime is 1702002017. The next prime is 1702002031. The reversal of 1702002020 is 202002071.

It can be written as a sum of positive squares in 2 ways, for example, as 328261924 + 1373740096 = 18118^2 + 37064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1702001986 and 1702002004.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42550031 + ... + 42550070.

It is an arithmetic number, because the mean of its divisors is an integer number (297850357).

Almost surely, 2^1702002020 is an apocalyptic number.

1702002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1702002020 is an abundant number, since it is smaller than the sum of its proper divisors (1872202264).

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

1702002020 is a wasteful number, since it uses less digits than its factorization.

1702002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85100110 (or 85100108 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1702002020 is about 41255.3271711666. The cubic root of 1702002020 is about 1193.9515134717.

Adding to 1702002020 its reverse (202002071), we get a palindrome (1904004091).

The spelling of 1702002020 in words is "one billion, seven hundred two million, two thousand, twenty".