20232011021 has 8 divisors (see below), whose sum is σ = 20740220640. Its totient is φ = 19728485712.

The previous prime is 20232011011. The next prime is 20232011029. The reversal of 20232011021 is 12011023202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20232011021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20232010987 and 20232011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232011029) 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, 1162331 + ... + 1179608.

It is an arithmetic number, because the mean of its divisors is an integer number (2592527580).

Almost surely, 2^20232011021 is an apocalyptic number.

It is an amenable number.

20232011021 is a deficient number, since it is larger than the sum of its proper divisors (508209619).

20232011021 is a wasteful number, since it uses less digits than its factorization.

20232011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342155.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20232011021 its reverse (12011023202), we get a palindrome (32243034223).

The spelling of 20232011021 in words is "twenty billion, two hundred thirty-two million, eleven thousand, twenty-one".