20440023301203 has 16 divisors (see below), whose sum is σ = 29908972590336. Its totient is φ = 12313713907040.

The previous prime is 20440023301199. The next prime is 20440023301211. The reversal of 20440023301203 is 30210332004402.

It is a cyclic number.

It is not a de Polignac number, because 20440023301203 - 2² = 20440023301199 is a prime.

It is a super-2 number, since 2×20440023301203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20440023301703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854469476 + ... + 1854480497.

It is an arithmetic number, because the mean of its divisors is an integer number (1869310786896).

Almost surely, 2^{20440023301203} is an apocalyptic number.

20440023301203 is a deficient number, since it is larger than the sum of its proper divisors (9468949289133).

20440023301203 is a wasteful number, since it uses less digits than its factorization.

20440023301203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708950154.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20440023301203 its reverse (30210332004402), we get a palindrome (50650355305605).

The spelling of 20440023301203 in words is "twenty trillion, four hundred forty billion, twenty-three million, three hundred one thousand, two hundred three".