1220410253340 has 72 divisors (see below), whose sum is σ = 3792201639408. Its totient is φ = 317505104640.

The previous prime is 1220410253339. The next prime is 1220410253371. The reversal of 1220410253340 is 433520140221.

1220410253340 is a `hidden beast` number, since 1 + 2 + 20 + 4 + 102 + 533 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82676242 + ... + 82691001.

It is an arithmetic number, because the mean of its divisors is an integer number (52669467214).

Almost surely, 2^{1220410253340} is an apocalyptic number.

1220410253340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220410253340 is an abundant number, since it is smaller than the sum of its proper divisors (2571791386068).

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

1220410253340 is a wasteful number, since it uses less digits than its factorization.

1220410253340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165367299 (or 165367294 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1220410253340 its reverse (433520140221), we get a palindrome (1653930393561).

The spelling of 1220410253340 in words is "one trillion, two hundred twenty billion, four hundred ten million, two hundred fifty-three thousand, three hundred forty".