20040150544 has 20 divisors (see below), whose sum is σ = 39560393196. Its totient is φ = 9831016832.

The previous prime is 20040150541. The next prime is 20040150553. The reversal of 20040150544 is 44505104002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16486560000 + 3553590544 = 128400^2 + 59612^2 .

It is not an unprimeable number, because it can be changed into a prime (20040150541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11815279 + ... + 11816974.

Almost surely, 2^20040150544 is an apocalyptic number.

It is an amenable number.

20040150544 is a deficient number, since it is larger than the sum of its proper divisors (19520242652).

20040150544 is a wasteful number, since it uses less digits than its factorization.

20040150544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23632314 (or 23632308 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 20040150544 its reverse (44505104002), we get a palindrome (64545254546).

The spelling of 20040150544 in words is "twenty billion, forty million, one hundred fifty thousand, five hundred forty-four".