1420102340 has 24 divisors (see below), whose sum is σ = 3111877440. Its totient is φ = 543343328.

The previous prime is 1420102339. The next prime is 1420102393. The reversal of 1420102340 is 432010241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543130 + ... + 1544049.

It is an arithmetic number, because the mean of its divisors is an integer number (129661560).

Almost surely, 2^1420102340 is an apocalyptic number.

1420102340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420102340 is an abundant number, since it is smaller than the sum of its proper divisors (1691775100).

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

1420102340 is a wasteful number, since it uses less digits than its factorization.

1420102340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087211 (or 3087209 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1420102340 is about 37684.2452491754. The cubic root of 1420102340 is about 1124.0178661311.

Adding to 1420102340 its reverse (432010241), we get a palindrome (1852112581).

The spelling of 1420102340 in words is "one billion, four hundred twenty million, one hundred two thousand, three hundred forty".