20030041240 has 128 divisors (see below), whose sum is σ = 52574080320. Its totient is φ = 6787072000.

The previous prime is 20030041217. The next prime is 20030041261. The reversal of 20030041240 is 4214003002.

It is a super-2 number, since 2×20030041240² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742224 + ... + 768736.

Almost surely, 2^20030041240 is an apocalyptic number.

20030041240 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 20030041240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26287040160).

20030041240 is an abundant number, since it is smaller than the sum of its proper divisors (32544039080).

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

20030041240 is a wasteful number, since it uses less digits than its factorization.

20030041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26653 (or 26649 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20030041240 its reverse (4214003002), we get a palindrome (24244044242).

The spelling of 20030041240 in words is "twenty billion, thirty million, forty-one thousand, two hundred forty".