20430220210 has 32 divisors (see below), whose sum is σ = 36946599984. Its totient is φ = 8133888000.

The previous prime is 20430220201. The next prime is 20430220249. The reversal of 20430220210 is 1202203402.

It can be written as a sum of positive squares in 8 ways, for example, as 5191058401 + 15239161809 = 72049^2 + 123447^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2865450 + ... + 2872570.

Almost surely, 2^20430220210 is an apocalyptic number.

20430220210 is a deficient number, since it is larger than the sum of its proper divisors (16516379774).

20430220210 is a wasteful number, since it uses less digits than its factorization.

20430220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8430.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20430220210 its reverse (1202203402), we get a palindrome (21632423612).

The spelling of 20430220210 in words is "twenty billion, four hundred thirty million, two hundred twenty thousand, two hundred ten".