13442331455020 has 24 divisors (see below), whose sum is σ = 30400349598864. Its totient is φ = 4963322383296.

The previous prime is 13442331454991. The next prime is 13442331455023. The reversal of 13442331455020 is 2055413324431.

It is a super-2 number, since 2×13442331455020² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13442331455023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25850637154 + ... + 25850637673.

It is an arithmetic number, because the mean of its divisors is an integer number (1266681233286).

Almost surely, 2^{13442331455020} is an apocalyptic number.

13442331455020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13442331455020 is an abundant number, since it is smaller than the sum of its proper divisors (16958018143844).

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

13442331455020 is a wasteful number, since it uses less digits than its factorization.

13442331455020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51701274849 (or 51701274847 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 13442331455020 its reverse (2055413324431), we get a palindrome (15497744779451).

The spelling of 13442331455020 in words is "thirteen trillion, four hundred forty-two billion, three hundred thirty-one million, four hundred fifty-five thousand, twenty".