20243013156 has 24 divisors (see below), whose sum is σ = 52481886240. Its totient is φ = 6747671016.

The previous prime is 20243013151. The next prime is 20243013157. The reversal of 20243013156 is 65131034202.

20243013156 is a `hidden beast` number, since 20 + 24 + 301 + 315 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20243013151) 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, 93717546 + ... + 93717761.

It is an arithmetic number, because the mean of its divisors is an integer number (2186745260).

Almost surely, 2^20243013156 is an apocalyptic number.

It is an amenable number.

20243013156 is an abundant number, since it is smaller than the sum of its proper divisors (32238873084).

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

20243013156 is a wasteful number, since it uses less digits than its factorization.

20243013156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187435320 (or 187435312 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 20243013156 its reverse (65131034202), we get a palindrome (85374047358).

The spelling of 20243013156 in words is "twenty billion, two hundred forty-three million, thirteen thousand, one hundred fifty-six".