20355090016874 has 8 divisors (see below), whose sum is σ = 30533621664900. Its totient is φ = 10177216128576.

The previous prime is 20355090016853. The next prime is 20355090016889. The reversal of 20355090016874 is 47861009055302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17121181950625 + 3233908066249 = 4137775^2 + 1798307^2 .

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

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, 164362559 + ... + 164486354.

It is a 1-persistent number, because it is pandigital, but 2⋅20355090016874 = 40710180033748 is not.

Almost surely, 2^{20355090016874} is an apocalyptic number.

20355090016874 is a deficient number, since it is larger than the sum of its proper divisors (10178531648026).

20355090016874 is a wasteful number, since it uses less digits than its factorization.

20355090016874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328879864.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 20355090016874 in words is "twenty trillion, three hundred fifty-five billion, ninety million, sixteen thousand, eight hundred seventy-four".