20230366436 has 24 divisors (see below), whose sum is σ = 40642183680. Its totient is φ = 8631274752.

The previous prime is 20230366421. The next prime is 20230366441. The reversal of 20230366436 is 63466303202.

It is a super-2 number, since 2×20230366436² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20230366396 and 20230366405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613741 + ... + 1626228.

It is an arithmetic number, because the mean of its divisors is an integer number (1693424320).

Almost surely, 2^20230366436 is an apocalyptic number.

It is an amenable number.

20230366436 is an abundant number, since it is smaller than the sum of its proper divisors (20411817244).

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

20230366436 is a wasteful number, since it uses less digits than its factorization.

20230366436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240203 (or 3240201 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 20230366436 its reverse (63466303202), we get a palindrome (83696669638).

The spelling of 20230366436 in words is "twenty billion, two hundred thirty million, three hundred sixty-six thousand, four hundred thirty-six".