1700120420 has 12 divisors (see below), whose sum is σ = 3570252924. Its totient is φ = 680048160.

The previous prime is 1700120419. The next prime is 1700120467. The reversal of 1700120420 is 240210071.

It can be written as a sum of positive squares in 2 ways, for example, as 579076096 + 1121044324 = 24064^2 + 33482^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42502991 + ... + 42503030.

It is an arithmetic number, because the mean of its divisors is an integer number (297521077).

Almost surely, 2^1700120420 is an apocalyptic number.

1700120420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1700120420 is an abundant number, since it is smaller than the sum of its proper divisors (1870132504).

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

1700120420 is a wasteful number, since it uses less digits than its factorization.

1700120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85006030 (or 85006028 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1700120420 is about 41232.5165373155. The cubic root of 1700120420 is about 1193.5113715063.

Adding to 1700120420 its reverse (240210071), we get a palindrome (1940330491).

The spelling of 1700120420 in words is "one billion, seven hundred million, one hundred twenty thousand, four hundred twenty".