1320252453630 has 48 divisors (see below), whose sum is σ = 3744716053104. Its totient is φ = 320061200640.

The previous prime is 1320252453623. The next prime is 1320252453643. The reversal of 1320252453630 is 363542520231.

1320252453630 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 252 + 45 + 363 + 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, 666793179 + ... + 666795158.

It is an arithmetic number, because the mean of its divisors is an integer number (78014917773).

Almost surely, 2^{1320252453630} is an apocalyptic number.

1320252453630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320252453630 is an abundant number, since it is smaller than the sum of its proper divisors (2424463599474).

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

1320252453630 is a wasteful number, since it uses less digits than its factorization.

1320252453630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333588361 (or 1333588358 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 1320252453630 its reverse (363542520231), we get a palindrome (1683794973861).

The spelling of 1320252453630 in words is "one trillion, three hundred twenty billion, two hundred fifty-two million, four hundred fifty-three thousand, six hundred thirty".