20321210323234 has 8 divisors (see below), whose sum is σ = 30500211274668. Its totient is φ = 10154473231680.

The previous prime is 20321210323201. The next prime is 20321210323291. The reversal of 20321210323234 is 43232301212302.

It can be written as a sum of positive squares in 2 ways, for example, as 19473659932609 + 847550390625 = 4412897^2 + 920625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20321210323234² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3065960827 + ... + 3065967454.

Almost surely, 2^{20321210323234} is an apocalyptic number.

20321210323234 is a deficient number, since it is larger than the sum of its proper divisors (10179000951434).

20321210323234 is a wasteful number, since it uses less digits than its factorization.

20321210323234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131929940.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20321210323234 its reverse (43232301212302), we get a palindrome (63553511535536).

The spelling of 20321210323234 in words is "twenty trillion, three hundred twenty-one billion, two hundred ten million, three hundred twenty-three thousand, two hundred thirty-four".