20248882181 has 8 divisors (see below), whose sum is σ = 22133611584. Its totient is φ = 18371473120.

The previous prime is 20248882169. The next prime is 20248882183. The reversal of 20248882181 is 18128884202.

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

It is not a de Polignac number, because 20248882181 - 2¹⁴ = 20248865797 is a prime.

It is a super-2 number, since 2×20248882181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248882183) 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, 1824296 + ... + 1835361.

It is an arithmetic number, because the mean of its divisors is an integer number (2766701448).

Almost surely, 2^20248882181 is an apocalyptic number.

It is an amenable number.

20248882181 is a deficient number, since it is larger than the sum of its proper divisors (1884729403).

20248882181 is a wasteful number, since it uses less digits than its factorization.

20248882181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660171.

The product of its (nonzero) digits is 131072, while the sum is 44.

The spelling of 20248882181 in words is "twenty billion, two hundred forty-eight million, eight hundred eighty-two thousand, one hundred eighty-one".