20358441842 has 8 divisors (see below), whose sum is σ = 31282483932. Its totient is φ = 9930947200.

The previous prime is 20358441833. The next prime is 20358441869. The reversal of 20358441842 is 24814485302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15692322361 + 4666119481 = 125269^2 + 68309^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 20358441842.

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, 124136759 + ... + 124136922.

Almost surely, 2^20358441842 is an apocalyptic number.

20358441842 is a deficient number, since it is larger than the sum of its proper divisors (10924042090).

20358441842 is a wasteful number, since it uses less digits than its factorization.

20358441842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248273724.

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 20358441842 in words is "twenty billion, three hundred fifty-eight million, four hundred forty-one thousand, eight hundred forty-two".