20158382622 has 64 divisors (see below), whose sum is σ = 46892335104. Its totient is φ = 5658115680.

The previous prime is 20158382611. The next prime is 20158382627. The reversal of 20158382622 is 22628385102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20158382627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 831963 + ... + 855849.

It is an arithmetic number, because the mean of its divisors is an integer number (732692736).

Almost surely, 2^20158382622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20158382622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23446167552).

20158382622 is an abundant number, since it is smaller than the sum of its proper divisors (26733952482).

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

20158382622 is a wasteful number, since it uses less digits than its factorization.

20158382622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24253.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 20158382622 in words is "twenty billion, one hundred fifty-eight million, three hundred eighty-two thousand, six hundred twenty-two".