20010213023 has 4 divisors (see below), whose sum is σ = 20015333328. Its totient is φ = 20005092720.

The previous prime is 20010212993. The next prime is 20010213037. The reversal of 20010213023 is 32031201002.

It is a happy number.

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 20010213023 - 2²⁸ = 19741777567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010212989 and 20010213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010213073) 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, 2554286 + ... + 2562107.

It is an arithmetic number, because the mean of its divisors is an integer number (5003833332).

Almost surely, 2^20010213023 is an apocalyptic number.

20010213023 is a deficient number, since it is larger than the sum of its proper divisors (5120305).

20010213023 is an equidigital number, since it uses as much as digits as its factorization.

20010213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120304.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20010213023 its reverse (32031201002), we get a palindrome (52041414025).

The spelling of 20010213023 in words is "twenty billion, ten million, two hundred thirteen thousand, twenty-three".