20372263647203 has 16 divisors (see below), whose sum is σ = 21968281260576. Its totient is φ = 18780380532480.

The previous prime is 20372263647173. The next prime is 20372263647283. The reversal of 20372263647203 is 30274636227302.

It is a cyclic number.

It is not a de Polignac number, because 20372263647203 - 2⁴⁴ = 2780077602787 is a prime.

It is a super-2 number, since 2×20372263647203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20372263647283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191843000 + ... + 191949162.

It is an arithmetic number, because the mean of its divisors is an integer number (1373017578786).

Almost surely, 2^{20372263647203} is an apocalyptic number.

20372263647203 is a deficient number, since it is larger than the sum of its proper divisors (1596017613373).

20372263647203 is a wasteful number, since it uses less digits than its factorization.

20372263647203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125494.

The product of its (nonzero) digits is 3048192, while the sum is 47.

The spelling of 20372263647203 in words is "twenty trillion, three hundred seventy-two billion, two hundred sixty-three million, six hundred forty-seven thousand, two hundred three".