20144024002 has 4 divisors (see below), whose sum is σ = 30216036006. Its totient is φ = 10072012000.

The previous prime is 20144023957. The next prime is 20144024011. The reversal of 20144024002 is 20042044102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20042044102 = 2 ⋅10021022051.

It can be written as a sum of positive squares in only one way, i.e., 18552891681 + 1591132321 = 136209^2 + 39889^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5036005999 + ... + 5036006002.

Almost surely, 2^20144024002 is an apocalyptic number.

20144024002 is a deficient number, since it is larger than the sum of its proper divisors (10072012004).

20144024002 is a wasteful number, since it uses less digits than its factorization.

20144024002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10072012003.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20144024002 its reverse (20042044102), we get a palindrome (40186068104).

The spelling of 20144024002 in words is "twenty billion, one hundred forty-four million, twenty-four thousand, two".