20511014330 has 32 divisors (see below), whose sum is σ = 38904788160. Its totient is φ = 7764232320.

The previous prime is 20511014323. The next prime is 20511014339. The reversal of 20511014330 is 3341011502.

It is not an unprimeable number, because it can be changed into a prime (20511014339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120425 + ... + 235635.

It is an arithmetic number, because the mean of its divisors is an integer number (1215774630).

Almost surely, 2^20511014330 is an apocalyptic number.

20511014330 is a deficient number, since it is larger than the sum of its proper divisors (18393773830).

20511014330 is a wasteful number, since it uses less digits than its factorization.

20511014330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116174.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20511014330 its reverse (3341011502), we get a palindrome (23852025832).

The spelling of 20511014330 in words is "twenty billion, five hundred eleven million, fourteen thousand, three hundred thirty".