20145404362 has 16 divisors (see below), whose sum is σ = 32355148680. Its totient is φ = 9373669888.

The previous prime is 20145404353. The next prime is 20145404369. The reversal of 20145404362 is 26340454102.

It can be written as a sum of positive squares in 4 ways, for example, as 14781453241 + 5363951121 = 121579^2 + 73239^2 .

It is not an unprimeable number, because it can be changed into a prime (20145404369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3325693 + ... + 3331744.

Almost surely, 2^20145404362 is an apocalyptic number.

20145404362 is a deficient number, since it is larger than the sum of its proper divisors (12209744318).

20145404362 is a wasteful number, since it uses less digits than its factorization.

20145404362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657545.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20145404362 its reverse (26340454102), we get a palindrome (46485858464).

The spelling of 20145404362 in words is "twenty billion, one hundred forty-five million, four hundred four thousand, three hundred sixty-two".