20240144309 has 8 divisors (see below), whose sum is σ = 25234465728. Its totient is φ = 15771540960.

The previous prime is 20240144303. The next prime is 20240144329. The reversal of 20240144309 is 90344104202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20240144309 - 2⁴ = 20240144293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240144303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131429432 + ... + 131429585.

It is an arithmetic number, because the mean of its divisors is an integer number (3154308216).

Almost surely, 2^20240144309 is an apocalyptic number.

It is an amenable number.

20240144309 is a deficient number, since it is larger than the sum of its proper divisors (4994321419).

20240144309 is a wasteful number, since it uses less digits than its factorization.

20240144309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262859035.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 20240144309 in words is "twenty billion, two hundred forty million, one hundred forty-four thousand, three hundred nine".