20241431340 has 96 divisors (see below), whose sum is σ = 61067939520. Its totient is φ = 4979874816.

The previous prime is 20241431299. The next prime is 20241431351. The reversal of 20241431340 is 4313414202.

It is a self number, because there is not a number n which added to its sum of digits gives 20241431340.

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, 1764102 + ... + 1775538.

It is an arithmetic number, because the mean of its divisors is an integer number (636124370).

Almost surely, 2^20241431340 is an apocalyptic number.

20241431340 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 20241431340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30533969760).

20241431340 is an abundant number, since it is smaller than the sum of its proper divisors (40826508180).

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

20241431340 is a wasteful number, since it uses less digits than its factorization.

20241431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13731 (or 13729 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20241431340 its reverse (4313414202), we get a palindrome (24554845542).

The spelling of 20241431340 in words is "twenty billion, two hundred forty-one million, four hundred thirty-one thousand, three hundred forty".