20051151044 has 12 divisors (see below), whose sum is σ = 36221434368. Its totient is φ = 9702169800.

The previous prime is 20051151031. The next prime is 20051151049. The reversal of 20051151044 is 44015115002.

It is not an unprimeable number, because it can be changed into a prime (20051151049) 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 3 ways as a sum of consecutive naturals, for example, 80851292 + ... + 80851539.

It is an arithmetic number, because the mean of its divisors is an integer number (3018452864).

Almost surely, 2^20051151044 is an apocalyptic number.

It is an amenable number.

20051151044 is a deficient number, since it is larger than the sum of its proper divisors (16170283324).

20051151044 is a wasteful number, since it uses less digits than its factorization.

20051151044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161702866 (or 161702864 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 20051151044 its reverse (44015115002), we get a palindrome (64066266046).

The spelling of 20051151044 in words is "twenty billion, fifty-one million, one hundred fifty-one thousand, forty-four".