20155024043 has 16 divisors (see below), whose sum is σ = 25554251520. Its totient is φ = 15439020000.

The previous prime is 20155024037. The next prime is 20155024049. The reversal of 20155024043 is 34042055102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20155024037) and next prime (20155024049).

It is a cyclic number.

It is not a de Polignac number, because 20155024043 - 2¹⁶ = 20154958507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20155024049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2213708 + ... + 2222793.

It is an arithmetic number, because the mean of its divisors is an integer number (1597140720).

Almost surely, 2^20155024043 is an apocalyptic number.

20155024043 is a deficient number, since it is larger than the sum of its proper divisors (5399227477).

20155024043 is a wasteful number, since it uses less digits than its factorization.

20155024043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436578.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20155024043 its reverse (34042055102), we get a palindrome (54197079145).

The spelling of 20155024043 in words is "twenty billion, one hundred fifty-five million, twenty-four thousand, forty-three".