20410321023 has 12 divisors (see below), whose sum is σ = 31215785328. Its totient is φ = 12806475840.

The previous prime is 20410321021. The next prime is 20410321033. The reversal of 20410321023 is 32012301402.

20410321023 is a `hidden beast` number, since 20 + 410 + 3 + 210 + 23 = 666.

It is not a de Polignac number, because 20410321023 - 2¹ = 20410321021 is a prime.

It is a super-3 number, since 3×20410321023³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20410320987 and 20410321005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410321021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66700243 + ... + 66700548.

It is an arithmetic number, because the mean of its divisors is an integer number (2601315444).

Almost surely, 2^20410321023 is an apocalyptic number.

20410321023 is a deficient number, since it is larger than the sum of its proper divisors (10805464305).

20410321023 is a wasteful number, since it uses less digits than its factorization.

20410321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133400814 (or 133400811 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20410321023 its reverse (32012301402), we get a palindrome (52422622425).

The spelling of 20410321023 in words is "twenty billion, four hundred ten million, three hundred twenty-one thousand, twenty-three".