10020021204023 has 4 divisors (see below), whose sum is σ = 10071938412528. Its totient is φ = 9968103995520.

The previous prime is 10020021204013. The next prime is 10020021204091. The reversal of 10020021204023 is 32040212002001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10020021204023 - 2¹⁴ = 10020021187639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020021203992 and 10020021204010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020021204013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25958603963 + ... + 25958604348.

It is an arithmetic number, because the mean of its divisors is an integer number (2517984603132).

Almost surely, 2^{10020021204023} is an apocalyptic number.

10020021204023 is a deficient number, since it is larger than the sum of its proper divisors (51917208505).

10020021204023 is an equidigital number, since it uses as much as digits as its factorization.

10020021204023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51917208504.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10020021204023 its reverse (32040212002001), we get a palindrome (42060233206024).

The spelling of 10020021204023 in words is "ten trillion, twenty billion, twenty-one million, two hundred four thousand, twenty-three".