1320021034332 has 192 divisors, whose sum is σ = 4315253612544. Its totient is φ = 302728124160.

The previous prime is 1320021034313. The next prime is 1320021034399. The reversal of 1320021034332 is 2334301200231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2112678 + ... + 2665229.

It is an arithmetic number, because the mean of its divisors is an integer number (22475279232).

Almost surely, 2^{1320021034332} is an apocalyptic number.

1320021034332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320021034332 is an abundant number, since it is smaller than the sum of its proper divisors (2995232578212).

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

1320021034332 is a wasteful number, since it uses less digits than its factorization.

1320021034332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777968 (or 4777966 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1320021034332 its reverse (2334301200231), we get a palindrome (3654322234563).

The spelling of 1320021034332 in words is "one trillion, three hundred twenty billion, twenty-one million, thirty-four thousand, three hundred thirty-two".