20107083724 has 144 divisors (see below), whose sum is σ = 45739137024. Its totient is φ = 7527911040.

The previous prime is 20107083701. The next prime is 20107083749. The reversal of 20107083724 is 42738070102.

It is a self number, because there is not a number n which added to its sum of digits gives 20107083724.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16440177 + ... + 16441399.

It is an arithmetic number, because the mean of its divisors is an integer number (317632896).

Almost surely, 2^20107083724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20107083724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22869568512).

20107083724 is an abundant number, since it is smaller than the sum of its proper divisors (25632053300).

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

20107083724 is a wasteful number, since it uses less digits than its factorization.

20107083724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 20107083724 in words is "twenty billion, one hundred seven million, eighty-three thousand, seven hundred twenty-four".