20445032230 has 64 divisors (see below), whose sum is σ = 42813204480. Its totient is φ = 6884152704.

The previous prime is 20445032183. The next prime is 20445032249. The reversal of 20445032230 is 3223054402.

It is a junction number, because it is equal to n+sod(n) for n = 20445032195 and 20445032204.

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, 5999187 + ... + 6002593.

It is an arithmetic number, because the mean of its divisors is an integer number (668956320).

Almost surely, 2^20445032230 is an apocalyptic number.

20445032230 is an abundant number, since it is smaller than the sum of its proper divisors (22368172250).

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

20445032230 is a wasteful number, since it uses less digits than its factorization.

20445032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20445032230 its reverse (3223054402), we get a palindrome (23668086632).

The spelling of 20445032230 in words is "twenty billion, four hundred forty-five million, thirty-two thousand, two hundred thirty".