20113321241420 has 48 divisors (see below), whose sum is σ = 46095812023968. Its totient is φ = 7311074434560.

The previous prime is 20113321241393. The next prime is 20113321241437. The reversal of 20113321241420 is 2414212331102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20113321241420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17314697 + ... + 18439776.

It is an arithmetic number, because the mean of its divisors is an integer number (960329417166).

Almost surely, 2^{20113321241420} is an apocalyptic number.

20113321241420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113321241420 is an abundant number, since it is smaller than the sum of its proper divisors (25982490782548).

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

20113321241420 is a wasteful number, since it uses less digits than its factorization.

20113321241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35757050 (or 35757048 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20113321241420 its reverse (2414212331102), we get a palindrome (22527533572522).

The spelling of 20113321241420 in words is "twenty trillion, one hundred thirteen billion, three hundred twenty-one million, two hundred forty-one thousand, four hundred twenty".