20321000102 has 8 divisors (see below), whose sum is σ = 32826230976. Its totient is φ = 9378923112.

The previous prime is 20321000101. The next prime is 20321000111. The reversal of 20321000102 is 20100012302.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321000101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390788438 + ... + 390788489.

It is an arithmetic number, because the mean of its divisors is an integer number (4103278872).

Almost surely, 2^20321000102 is an apocalyptic number.

20321000102 is a deficient number, since it is larger than the sum of its proper divisors (12505230874).

20321000102 is a wasteful number, since it uses less digits than its factorization.

20321000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781576942.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20321000102 its reverse (20100012302), we get a palindrome (40421012404).

The spelling of 20321000102 in words is "twenty billion, three hundred twenty-one million, one hundred two", and thus it is an aban number.