1401313020 has 48 divisors (see below), whose sum is σ = 3929391648. Its totient is φ = 373139200.

The previous prime is 1401313007. The next prime is 1401313033. The reversal of 1401313020 is 203131041.

It is an interprime number because it is at equal distance from previous prime (1401313007) and next prime (1401313033).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25402 + ... + 58718.

It is an arithmetic number, because the mean of its divisors is an integer number (81862326).

Almost surely, 2^1401313020 is an apocalyptic number.

1401313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401313020 is an abundant number, since it is smaller than the sum of its proper divisors (2528078628).

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

1401313020 is a wasteful number, since it uses less digits than its factorization.

1401313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34030 (or 34028 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1401313020 is about 37434.1157234948. The cubic root of 1401313020 is about 1119.0385616035.

Adding to 1401313020 its reverse (203131041), we get a palindrome (1604444061).

The spelling of 1401313020 in words is "one billion, four hundred one million, three hundred thirteen thousand, twenty".