1320300403401 has 32 divisors (see below), whose sum is σ = 2052167961600. Its totient is φ = 739429035840.

The previous prime is 1320300403381. The next prime is 1320300403439. The reversal of 1320300403401 is 1043040030231.

It is not a de Polignac number, because 1320300403401 - 2¹⁹ = 1320299879113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1320300403601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1199586 + ... + 2019803.

It is an arithmetic number, because the mean of its divisors is an integer number (64130248800).

Almost surely, 2^{1320300403401} is an apocalyptic number.

It is an amenable number.

1320300403401 is a deficient number, since it is larger than the sum of its proper divisors (731867558199).

1320300403401 is a wasteful number, since it uses less digits than its factorization.

1320300403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219789.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1320300403401 its reverse (1043040030231), we get a palindrome (2363340433632).

The spelling of 1320300403401 in words is "one trillion, three hundred twenty billion, three hundred million, four hundred three thousand, four hundred one".