20381748150 has 48 divisors (see below), whose sum is σ = 51037519104. Its totient is φ = 5382360480.

The previous prime is 20381748139. The next prime is 20381748161. The reversal of 20381748150 is 5184718302.

It is an interprime number because it is at equal distance from previous prime (20381748139) and next prime (20381748161).

It is a junction number, because it is equal to n+sod(n) for n = 20381748099 and 20381748108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 644154 + ... + 675053.

It is an arithmetic number, because the mean of its divisors is an integer number (1063281648).

Almost surely, 2^20381748150 is an apocalyptic number.

20381748150 is an abundant number, since it is smaller than the sum of its proper divisors (30655770954).

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

20381748150 is a wasteful number, since it uses less digits than its factorization.

20381748150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319325 (or 1319320 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 20381748150 in words is "twenty billion, three hundred eighty-one million, seven hundred forty-eight thousand, one hundred fifty".