1703140420 has 48 divisors (see below), whose sum is σ = 3714984000. Its totient is φ = 655088000.

The previous prime is 1703140399. The next prime is 1703140459. The reversal of 1703140420 is 240413071.

It is a super-3 number, since 3×1703140420³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1703140391 and 1703140400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139731 + ... + 151429.

It is an arithmetic number, because the mean of its divisors is an integer number (77395500).

Almost surely, 2^1703140420 is an apocalyptic number.

1703140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1703140420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857492000).

1703140420 is an abundant number, since it is smaller than the sum of its proper divisors (2011843580).

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

1703140420 is a wasteful number, since it uses less digits than its factorization.

1703140420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988 (or 11986 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1703140420 is about 41269.1218709582. The cubic root of 1703140420 is about 1194.2176493640.

Adding to 1703140420 its reverse (240413071), we get a palindrome (1943553491).

The spelling of 1703140420 in words is "one billion, seven hundred three million, one hundred forty thousand, four hundred twenty".