1703138220 has 72 divisors (see below), whose sum is σ = 5904216864. Its totient is φ = 389288448.

The previous prime is 1703138219. The next prime is 1703138243. The reversal of 1703138220 is 228313071.

1703138220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 674589 + ... + 677108.

It is an arithmetic number, because the mean of its divisors is an integer number (82003012).

Almost surely, 2^1703138220 is an apocalyptic number.

1703138220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1703138220 is an abundant number, since it is smaller than the sum of its proper divisors (4201078644).

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

1703138220 is a wasteful number, since it uses less digits than its factorization.

1703138220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351719 (or 1351714 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1703138220 is about 41269.0952166388. The cubic root of 1703138220 is about 1194.2171351609.

The spelling of 1703138220 in words is "one billion, seven hundred three million, one hundred thirty-eight thousand, two hundred twenty".