1347420220 has 24 divisors (see below), whose sum is σ = 2831221008. Its totient is φ = 538656000.

The previous prime is 1347420197. The next prime is 1347420233. The reversal of 1347420220 is 220247431.

It is a happy number.

It is a congruent number.

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, 17620 + ... + 54820.

It is an arithmetic number, because the mean of its divisors is an integer number (117967542).

Almost surely, 2^1347420220 is an apocalyptic number.

1347420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1347420220 is an abundant number, since it is smaller than the sum of its proper divisors (1483800788).

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

1347420220 is a wasteful number, since it uses less digits than its factorization.

1347420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39021 (or 39019 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1347420220 is about 36707.2229949366. Note that the first 3 decimals coincide. The cubic root of 1347420220 is about 1104.5050013630.

Adding to 1347420220 its reverse (220247431), we get a palindrome (1567667651).

The spelling of 1347420220 in words is "one billion, three hundred forty-seven million, four hundred twenty thousand, two hundred twenty".