20043453030 has 64 divisors (see below), whose sum is σ = 48862657728. Its totient is φ = 5261273600.

The previous prime is 20043453019. The next prime is 20043453041. The reversal of 20043453030 is 3035434002.

It is an interprime number because it is at equal distance from previous prime (20043453019) and next prime (20043453041).

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, 505072 + ... + 543308.

It is an arithmetic number, because the mean of its divisors is an integer number (763479027).

Almost surely, 2^20043453030 is an apocalyptic number.

20043453030 is an abundant number, since it is smaller than the sum of its proper divisors (28819204698).

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

20043453030 is a wasteful number, since it uses less digits than its factorization.

20043453030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38521.

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 20043453030 its reverse (3035434002), we get a palindrome (23078887032).

The spelling of 20043453030 in words is "twenty billion, forty-three million, four hundred fifty-three thousand, thirty".