13320223040 has 56 divisors (see below), whose sum is σ = 31999565160. Its totient is φ = 5280923648.

The previous prime is 13320223019. The next prime is 13320223067. The reversal of 13320223040 is 4032202331.

It can be written as a sum of positive squares in 4 ways, for example, as 311451904 + 13008771136 = 17648^2 + 114056^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148025 + ... + 220344.

Almost surely, 2^13320223040 is an apocalyptic number.

13320223040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320223040 is an abundant number, since it is smaller than the sum of its proper divisors (18679342120).

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

13320223040 is a wasteful number, since it uses less digits than its factorization.

13320223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368499 (or 368489 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13320223040 its reverse (4032202331), we get a palindrome (17352425371).

The spelling of 13320223040 in words is "thirteen billion, three hundred twenty million, two hundred twenty-three thousand, forty".