20144131045 has 16 divisors (see below), whose sum is σ = 25603319808. Its totient is φ = 15162353920.

The previous prime is 20144130989. The next prime is 20144131057. The reversal of 20144131045 is 54013144102.

It is not a de Polignac number, because 20144131045 - 2¹¹ = 20144128997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231780 + ... + 306610.

It is an arithmetic number, because the mean of its divisors is an integer number (1600207488).

Almost surely, 2^20144131045 is an apocalyptic number.

It is an amenable number.

20144131045 is a deficient number, since it is larger than the sum of its proper divisors (5459188763).

20144131045 is a wasteful number, since it uses less digits than its factorization.

20144131045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78020.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 20144131045 its reverse (54013144102), we get a palindrome (74157275147).

The spelling of 20144131045 in words is "twenty billion, one hundred forty-four million, one hundred thirty-one thousand, forty-five".