1320614155700 has 216 divisors, whose sum is σ = 3375003360960. Its totient is φ = 447171648000.

The previous prime is 1320614155681. The next prime is 1320614155703. The reversal of 1320614155700 is 75514160231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320614155703) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 632780057 + ... + 632782143.

It is an arithmetic number, because the mean of its divisors is an integer number (15625015560).

Almost surely, 2^{1320614155700} is an apocalyptic number.

1320614155700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320614155700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1687501680480).

1320614155700 is an abundant number, since it is smaller than the sum of its proper divisors (2054389205260).

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

1320614155700 is a wasteful number, since it uses less digits than its factorization.

1320614155700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 1320614155700 in words is "one trillion, three hundred twenty billion, six hundred fourteen million, one hundred fifty-five thousand, seven hundred".