20321032102 has 8 divisors (see below), whose sum is σ = 34836055056. Its totient is φ = 8709013752.

The previous prime is 20321032087. The next prime is 20321032111. The reversal of 20321032102 is 20123012302.

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, 725751133 + ... + 725751160.

It is an arithmetic number, because the mean of its divisors is an integer number (4354506882).

Almost surely, 2^20321032102 is an apocalyptic number.

20321032102 is a deficient number, since it is larger than the sum of its proper divisors (14515022954).

20321032102 is a wasteful number, since it uses less digits than its factorization.

20321032102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451502302.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20321032102 its reverse (20123012302), we get a palindrome (40444044404).

The spelling of 20321032102 in words is "twenty billion, three hundred twenty-one million, thirty-two thousand, one hundred two".