20203220020123 has 8 divisors (see below), whose sum is σ = 23580658017792. Its totient is φ = 16948597949736.

The previous prime is 20203220020121. The next prime is 20203220020163. The reversal of 20203220020123 is 32102002230202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20203220020123 - 2¹ = 20203220020121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20203220020123.

It is not an unprimeable number, because it can be changed into a prime (20203220020121) 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, 30703981465 + ... + 30703982122.

It is an arithmetic number, because the mean of its divisors is an integer number (2947582252224).

Almost surely, 2^{20203220020123} is an apocalyptic number.

20203220020123 is a deficient number, since it is larger than the sum of its proper divisors (3377437997669).

20203220020123 is an equidigital number, since it uses as much as digits as its factorization.

20203220020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61407963641.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20203220020123 its reverse (32102002230202), we get a palindrome (52305222250325).

The spelling of 20203220020123 in words is "twenty trillion, two hundred three billion, two hundred twenty million, twenty thousand, one hundred twenty-three".