20321403020152 has 16 divisors (see below), whose sum is σ = 41033602252440. Its totient is φ = 9379109086176.

The previous prime is 20321403020147. The next prime is 20321403020257. The reversal of 20321403020152 is 25102030412302.

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, 97699052878 + ... + 97699053085.

Almost surely, 2^{20321403020152} is an apocalyptic number.

It is an amenable number.

20321403020152 is an abundant number, since it is smaller than the sum of its proper divisors (20712199232288).

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

20321403020152 is a wasteful number, since it uses less digits than its factorization.

20321403020152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195398105982 (or 195398105978 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20321403020152 its reverse (25102030412302), we get a palindrome (45423433432454).

The spelling of 20321403020152 in words is "twenty trillion, three hundred twenty-one billion, four hundred three million, twenty thousand, one hundred fifty-two".