20403430302210 has 16 divisors (see below), whose sum is σ = 48968232725376. Its totient is φ = 5440914747248.

The previous prime is 20403430302181. The next prime is 20403430302223. The reversal of 20403430302210 is 1220303430402.

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, 340057171674 + ... + 340057171733.

It is an arithmetic number, because the mean of its divisors is an integer number (3060514545336).

Almost surely, 2^{20403430302210} is an apocalyptic number.

20403430302210 is an abundant number, since it is smaller than the sum of its proper divisors (28564802423166).

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

20403430302210 is a wasteful number, since it uses less digits than its factorization.

20403430302210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680114343417.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20403430302210 its reverse (1220303430402), we get a palindrome (21623733732612).

The spelling of 20403430302210 in words is "twenty trillion, four hundred three billion, four hundred thirty million, three hundred two thousand, two hundred ten".