20272065750 has 128 divisors (see below), whose sum is σ = 58160419200. Its totient is φ = 5219424000.

The previous prime is 20272065731. The next prime is 20272065761. The reversal of 20272065750 is 5756027202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143970 + ... + 247530.

It is an arithmetic number, because the mean of its divisors is an integer number (454378275).

Almost surely, 2^20272065750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20272065750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29080209600).

20272065750 is an abundant number, since it is smaller than the sum of its proper divisors (37888353450).

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

20272065750 is a wasteful number, since it uses less digits than its factorization.

20272065750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103616 (or 103600 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 20272065750 in words is "twenty billion, two hundred seventy-two million, sixty-five thousand, seven hundred fifty".