1420005797320 has 32 divisors (see below), whose sum is σ = 3485468776320. Its totient is φ = 516365744320.

The previous prime is 1420005797297. The next prime is 1420005797323. The reversal of 1420005797320 is 237975000241.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1420005797323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613642512 + ... + 1613643391.

It is an arithmetic number, because the mean of its divisors is an integer number (108920899260).

Almost surely, 2^{1420005797320} is an apocalyptic number.

1420005797320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420005797320 is an abundant number, since it is smaller than the sum of its proper divisors (2065462979000).

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

1420005797320 is a wasteful number, since it uses less digits than its factorization.

1420005797320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227285925 (or 3227285921 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 1420005797320 in words is "one trillion, four hundred twenty billion, five million, seven hundred ninety-seven thousand, three hundred twenty".