20331421440302 has 8 divisors (see below), whose sum is σ = 34853865326256. Its totient is φ = 8713466331552.

The previous prime is 20331421440269. The next prime is 20331421440349. The reversal of 20331421440302 is 20304412413302.

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

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, 726122194283 + ... + 726122194310.

It is an arithmetic number, because the mean of its divisors is an integer number (4356733165782).

Almost surely, 2^{20331421440302} is an apocalyptic number.

20331421440302 is a deficient number, since it is larger than the sum of its proper divisors (14522443885954).

20331421440302 is a wasteful number, since it uses less digits than its factorization.

20331421440302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452244388602.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20331421440302 its reverse (20304412413302), we get a palindrome (40635833853604).

The spelling of 20331421440302 in words is "twenty trillion, three hundred thirty-one billion, four hundred twenty-one million, four hundred forty thousand, three hundred two".