20051151045 has 32 divisors (see below), whose sum is σ = 33070768128. Its totient is φ = 10368560448.

The previous prime is 20051151031. The next prime is 20051151049. The reversal of 20051151045 is 54015115002.

It is not a de Polignac number, because 20051151045 - 2¹⁴ = 20051134661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051151049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57469 + ... + 208338.

It is an arithmetic number, because the mean of its divisors is an integer number (1033461504).

Almost surely, 2^20051151045 is an apocalyptic number.

It is an amenable number.

20051151045 is a deficient number, since it is larger than the sum of its proper divisors (13019617083).

20051151045 is a wasteful number, since it uses less digits than its factorization.

20051151045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265969.

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 20051151045 its reverse (54015115002), we get a palindrome (74066266047).

The spelling of 20051151045 in words is "twenty billion, fifty-one million, one hundred fifty-one thousand, forty-five".