1401203420320 has 96 divisors (see below), whose sum is σ = 3768295789440. Its totient is φ = 487375088640.

The previous prime is 1401203420237. The next prime is 1401203420321. The reversal of 1401203420320 is 230243021041.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1401203420291 and 1401203420300.

It is not an unprimeable number, because it can be changed into a prime (1401203420321) 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, 17266875 + ... + 17347834.

It is an arithmetic number, because the mean of its divisors is an integer number (39253081140).

Almost surely, 2^{1401203420320} is an apocalyptic number.

1401203420320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401203420320 is an abundant number, since it is smaller than the sum of its proper divisors (2367092369120).

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

1401203420320 is a wasteful number, since it uses less digits than its factorization.

1401203420320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34614758 (or 34614750 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1401203420320 its reverse (230243021041), we get a palindrome (1631446441361).

The spelling of 1401203420320 in words is "one trillion, four hundred one billion, two hundred three million, four hundred twenty thousand, three hundred twenty".