20725176284 has 24 divisors (see below), whose sum is σ = 36529532928. Its totient is φ = 10288314800.

The previous prime is 20725176281. The next prime is 20725176379. The reversal of 20725176284 is 48267152702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20725176281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558509 + ... + 594459.

It is an arithmetic number, because the mean of its divisors is an integer number (1522063872).

Almost surely, 2^20725176284 is an apocalyptic number.

It is an amenable number.

20725176284 is a deficient number, since it is larger than the sum of its proper divisors (15804356644).

20725176284 is a wasteful number, since it uses less digits than its factorization.

20725176284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36985 (or 36983 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 20725176284 in words is "twenty billion, seven hundred twenty-five million, one hundred seventy-six thousand, two hundred eighty-four".