20110003124 has 6 divisors (see below), whose sum is σ = 35192505474. Its totient is φ = 10055001560.

The previous prime is 20110003097. The next prime is 20110003127. The reversal of 20110003124 is 42130001102.

It can be written as a sum of positive squares in only one way, i.e., 19763298724 + 346704400 = 140582^2 + 18620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20110003099 and 20110003108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110003127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513750387 + ... + 2513750394.

It is an arithmetic number, because the mean of its divisors is an integer number (5865417579).

Almost surely, 2^20110003124 is an apocalyptic number.

It is an amenable number.

20110003124 is a deficient number, since it is larger than the sum of its proper divisors (15082502350).

20110003124 is a wasteful number, since it uses less digits than its factorization.

20110003124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027500785 (or 5027500783 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20110003124 its reverse (42130001102), we get a palindrome (62240004226).

The spelling of 20110003124 in words is "twenty billion, one hundred ten million, three thousand, one hundred twenty-four".