20013032231302 has 64 divisors (see below), whose sum is σ = 34508520668160. Its totient is φ = 8608979635200.

The previous prime is 20013032231293. The next prime is 20013032231303. The reversal of 20013032231302 is 20313223031002.

It is a super-2 number, since 2×20013032231302² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013032231303) 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, 1805084403 + ... + 1805095489.

It is an arithmetic number, because the mean of its divisors is an integer number (539195635440).

Almost surely, 2^{20013032231302} is an apocalyptic number.

20013032231302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20013032231302 is a deficient number, since it is larger than the sum of its proper divisors (14495488436858).

20013032231302 is a wasteful number, since it uses less digits than its factorization.

20013032231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20013032231302 its reverse (20313223031002), we get a palindrome (40326255262304).

The spelling of 20013032231302 in words is "twenty trillion, thirteen billion, thirty-two million, two hundred thirty-one thousand, three hundred two".