20321312302 has 8 divisors (see below), whose sum is σ = 30485348712. Its totient is φ = 10159529400.

The previous prime is 20321312273. The next prime is 20321312317.

20321312302 is nontrivially palindromic in base 10.

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

It is a super-3 number, since 3×20321312302³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20321312302.

It is a congruent number.

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, 540649 + ... + 577012.

It is an arithmetic number, because the mean of its divisors is an integer number (3810668589).

Almost surely, 2^20321312302 is an apocalyptic number.

20321312302 is a deficient number, since it is larger than the sum of its proper divisors (10164036410).

20321312302 is a wasteful number, since it uses less digits than its factorization.

20321312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126754.

The product of its (nonzero) digits is 432, while the sum is 19.

The spelling of 20321312302 in words is "twenty billion, three hundred twenty-one million, three hundred twelve thousand, three hundred two".