1320022303040 has 112 divisors (see below), whose sum is σ = 3594458851200. Its totient is φ = 452312942592.

The previous prime is 1320022302979. The next prime is 1320022303049. The reversal of 1320022303040 is 403032200231.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-3 number, since 3×1320022303040³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320022303049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3655751 + ... + 4000569.

It is an arithmetic number, because the mean of its divisors is an integer number (32093382600).

Almost surely, 2^{1320022303040} is an apocalyptic number.

1320022303040 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 1320022303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797229425600).

1320022303040 is an abundant number, since it is smaller than the sum of its proper divisors (2274436548160).

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

1320022303040 is a wasteful number, since it uses less digits than its factorization.

1320022303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346552 (or 346542 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1320022303040 its reverse (403032200231), we get a palindrome (1723054503271).

The spelling of 1320022303040 in words is "one trillion, three hundred twenty billion, twenty-two million, three hundred three thousand, forty".