20201344124 has 12 divisors (see below), whose sum is σ = 38071764024. Its totient is φ = 9323697264.

The previous prime is 20201344123. The next prime is 20201344139. The reversal of 20201344124 is 42144310202.

It is a self number, because there is not a number n which added to its sum of digits gives 20201344124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201344123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194243642 + ... + 194243745.

It is an arithmetic number, because the mean of its divisors is an integer number (3172647002).

Almost surely, 2^20201344124 is an apocalyptic number.

It is an amenable number.

20201344124 is a deficient number, since it is larger than the sum of its proper divisors (17870419900).

20201344124 is a wasteful number, since it uses less digits than its factorization.

20201344124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388487404 (or 388487402 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20201344124 its reverse (42144310202), we get a palindrome (62345654326).

The spelling of 20201344124 in words is "twenty billion, two hundred one million, three hundred forty-four thousand, one hundred twenty-four".