20205223130 has 16 divisors (see below), whose sum is σ = 37215202464. Its totient is φ = 7894133520.

The previous prime is 20205223069. The next prime is 20205223141. The reversal of 20205223130 is 3132250202.

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, 23494016 + ... + 23494875.

It is an arithmetic number, because the mean of its divisors is an integer number (2325950154).

Almost surely, 2^20205223130 is an apocalyptic number.

20205223130 is a deficient number, since it is larger than the sum of its proper divisors (17009979334).

20205223130 is a wasteful number, since it uses less digits than its factorization.

20205223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46988941.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20205223130 its reverse (3132250202), we get a palindrome (23337473332).

The spelling of 20205223130 in words is "twenty billion, two hundred five million, two hundred twenty-three thousand, one hundred thirty".