20302123310 has 32 divisors (see below), whose sum is σ = 41773482432. Its totient is φ = 6959208960.

The previous prime is 20302123271. The next prime is 20302123313. The reversal of 20302123310 is 1332120302.

It is a super-2 number, since 2×20302123310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302123313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318950 + ... + 377270.

It is an arithmetic number, because the mean of its divisors is an integer number (1305421326).

Almost surely, 2^20302123310 is an apocalyptic number.

20302123310 is an abundant number, since it is smaller than the sum of its proper divisors (21471359122).

20302123310 is a wasteful number, since it uses less digits than its factorization.

20302123310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63308.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20302123310 its reverse (1332120302), we get a palindrome (21634243612).

The spelling of 20302123310 in words is "twenty billion, three hundred two million, one hundred twenty-three thousand, three hundred ten".