20150240043 has 8 divisors (see below), whose sum is σ = 26881292800. Its totient is φ = 13426340328.

The previous prime is 20150240021. The next prime is 20150240051. The reversal of 20150240043 is 34004205102.

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

It is not a de Polignac number, because 20150240043 - 2⁹ = 20150239531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20150240003) 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, 1781683 + ... + 1792956.

It is an arithmetic number, because the mean of its divisors is an integer number (3360161600).

Almost surely, 2^20150240043 is an apocalyptic number.

20150240043 is a deficient number, since it is larger than the sum of its proper divisors (6731052757).

20150240043 is a wasteful number, since it uses less digits than its factorization.

20150240043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576521.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20150240043 its reverse (34004205102), we get a palindrome (54154445145).

The spelling of 20150240043 in words is "twenty billion, one hundred fifty million, two hundred forty thousand, forty-three".