215340103320 has 32 divisors (see below), whose sum is σ = 646020310320. Its totient is φ = 57424027520.

The previous prime is 215340103309. The next prime is 215340103327. The reversal of 215340103320 is 23301043512.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215340103327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897250311 + ... + 897250550.

Almost surely, 2^215340103320 is an apocalyptic number.

215340103320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215340103320 is an abundant number, since it is smaller than the sum of its proper divisors (430680207000).

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

215340103320 is a wasteful number, since it uses less digits than its factorization.

215340103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794500875 (or 1794500871 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 215340103320 its reverse (23301043512), we get a palindrome (238641146832).

The spelling of 215340103320 in words is "two hundred fifteen billion, three hundred forty million, one hundred three thousand, three hundred twenty".