1340245232220 has 96 divisors (see below), whose sum is σ = 3760419801600. Its totient is φ = 356663026944.

The previous prime is 1340245232219. The next prime is 1340245232233. The reversal of 1340245232220 is 222325420431.

It is a super-2 number, since 2×1340245232220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59111046 + ... + 59133714.

It is an arithmetic number, because the mean of its divisors is an integer number (39171039600).

Almost surely, 2^{1340245232220} is an apocalyptic number.

1340245232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340245232220 is an abundant number, since it is smaller than the sum of its proper divisors (2420174569380).

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

1340245232220 is a wasteful number, since it uses less digits than its factorization.

1340245232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24667 (or 24665 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 1340245232220 in words is "one trillion, three hundred forty billion, two hundred forty-five million, two hundred thirty-two thousand, two hundred twenty".