20704144104030 has 16 divisors (see below), whose sum is σ = 49689945849744. Its totient is φ = 5521105094400.

The previous prime is 20704144104013. The next prime is 20704144104053. The reversal of 20704144104030 is 3040144140702.

It is a super-2 number, since 2×20704144104030² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 690138136801 = 20704144104030 / (2 + 0 + 7 + 0 + 4 + 1 + 4 + 4 + 1 + 0 + 4 + 0 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345069068371 + ... + 345069068430.

It is an arithmetic number, because the mean of its divisors is an integer number (3105621615609).

Almost surely, 2^{20704144104030} is an apocalyptic number.

20704144104030 is an abundant number, since it is smaller than the sum of its proper divisors (28985801745714).

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

20704144104030 is a wasteful number, since it uses less digits than its factorization.

20704144104030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690138136811.

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 20704144104030 its reverse (3040144140702), we get a palindrome (23744288244732).

The spelling of 20704144104030 in words is "twenty trillion, seven hundred four billion, one hundred forty-four million, one hundred four thousand, thirty".