20261457382 has 8 divisors (see below), whose sum is σ = 30401643096. Its totient is φ = 10127576352.

The previous prime is 20261457373. The next prime is 20261457421. The reversal of 20261457382 is 28375416202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568128 + ... + 1580995.

It is an arithmetic number, because the mean of its divisors is an integer number (3800205387).

Almost surely, 2^20261457382 is an apocalyptic number.

20261457382 is a deficient number, since it is larger than the sum of its proper divisors (10140185714).

20261457382 is a wasteful number, since it uses less digits than its factorization.

20261457382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152342.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 20261457382 in words is "twenty billion, two hundred sixty-one million, four hundred fifty-seven thousand, three hundred eighty-two".