20041111420 has 72 divisors (see below), whose sum is σ = 47510672832. Its totient is φ = 7090680960.

The previous prime is 20041111417. The next prime is 20041111421. The reversal of 20041111420 is 2411114002.

It is a happy number.

It is a super-2 number, since 2×20041111420² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20041111394 and 20041111403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041111421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22372 + ... + 201451.

It is an arithmetic number, because the mean of its divisors is an integer number (659870456).

Almost surely, 2^20041111420 is an apocalyptic number.

20041111420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20041111420 is an abundant number, since it is smaller than the sum of its proper divisors (27469561412).

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

20041111420 is a wasteful number, since it uses less digits than its factorization.

20041111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223891 (or 223878 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20041111420 its reverse (2411114002), we get a palindrome (22452225422).

The spelling of 20041111420 in words is "twenty billion, forty-one million, one hundred eleven thousand, four hundred twenty".