20232021012 has 96 divisors (see below), whose sum is σ = 55450752000. Its totient is φ = 5738828256.

The previous prime is 20232020993. The next prime is 20232021037. The reversal of 20232021012 is 21012023202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20232020982 and 20232021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554443 + ... + 589805.

It is an arithmetic number, because the mean of its divisors is an integer number (577612000).

Almost surely, 2^20232021012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20232021012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27725376000).

20232021012 is an abundant number, since it is smaller than the sum of its proper divisors (35218730988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20232021012 is a wasteful number, since it uses less digits than its factorization.

20232021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35530 (or 35514 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20232021012 its reverse (21012023202), we get a palindrome (41244044214).

The spelling of 20232021012 in words is "twenty billion, two hundred thirty-two million, twenty-one thousand, twelve".