20133241420 has 96 divisors (see below), whose sum is σ = 44518440960. Its totient is φ = 7640075520.

The previous prime is 20133241417. The next prime is 20133241421. The reversal of 20133241420 is 2414233102.

It is a junction number, because it is equal to n+sod(n) for n = 20133241391 and 20133241400.

It is not an unprimeable number, because it can be changed into a prime (20133241421) 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, 5543005 + ... + 5546635.

It is an arithmetic number, because the mean of its divisors is an integer number (463733760).

Almost surely, 2^20133241420 is an apocalyptic number.

20133241420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20133241420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22259220480).

20133241420 is an abundant number, since it is smaller than the sum of its proper divisors (24385199540).

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

20133241420 is a wasteful number, since it uses less digits than its factorization.

20133241420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20133241420 its reverse (2414233102), we get a palindrome (22547474522).

The spelling of 20133241420 in words is "twenty billion, one hundred thirty-three million, two hundred forty-one thousand, four hundred twenty".