1303020032004 has 72 divisors (see below), whose sum is σ = 3325229107200. Its totient is φ = 430199707392.

The previous prime is 1303020031919. The next prime is 1303020032021. The reversal of 1303020032004 is 4002300203031.

It is a super-2 number, since 2×1303020032004² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2500732 + ... + 2976524.

It is an arithmetic number, because the mean of its divisors is an integer number (46183737600).

Almost surely, 2^{1303020032004} is an apocalyptic number.

It is an amenable number.

1303020032004 is an abundant number, since it is smaller than the sum of its proper divisors (2022209075196).

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

1303020032004 is a wasteful number, since it uses less digits than its factorization.

1303020032004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476529 (or 476524 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1303020032004 its reverse (4002300203031), we get a palindrome (5305320235035).

The spelling of 1303020032004 in words is "one trillion, three hundred three billion, twenty million, thirty-two thousand, four".