20010244355 has 8 divisors (see below), whose sum is σ = 24661274352. Its totient is φ = 15575541408.

The previous prime is 20010244327. The next prime is 20010244357. The reversal of 20010244355 is 55344201002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20010244355 - 2¹⁸ = 20009982211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010244357) 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 7 ways as a sum of consecutive naturals, for example, 54081557 + ... + 54081926.

It is an arithmetic number, because the mean of its divisors is an integer number (3082659294).

Almost surely, 2^20010244355 is an apocalyptic number.

20010244355 is a deficient number, since it is larger than the sum of its proper divisors (4651029997).

20010244355 is a wasteful number, since it uses less digits than its factorization.

20010244355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108163525.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20010244355 its reverse (55344201002), we get a palindrome (75354445357).

The spelling of 20010244355 in words is "twenty billion, ten million, two hundred forty-four thousand, three hundred fifty-five".