20110311430 has 64 divisors (see below), whose sum is σ = 39956716800. Its totient is φ = 7226651520.

The previous prime is 20110311427. The next prime is 20110311451. The reversal of 20110311430 is 3411301102.

It is a congruent number.

It is an unprimeable number.

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, 5021809 + ... + 5025811.

It is an arithmetic number, because the mean of its divisors is an integer number (624323700).

Almost surely, 2^20110311430 is an apocalyptic number.

20110311430 is a deficient number, since it is larger than the sum of its proper divisors (19846405370).

20110311430 is a wasteful number, since it uses less digits than its factorization.

20110311430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20110311430 its reverse (3411301102), we get a palindrome (23521612532).

The spelling of 20110311430 in words is "twenty billion, one hundred ten million, three hundred eleven thousand, four hundred thirty".