20620334102 has 8 divisors (see below), whose sum is σ = 30933442512. Its totient is φ = 10309186600.

The previous prime is 20620334089. The next prime is 20620334113. The reversal of 20620334102 is 20143302602.

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, 463649 + ... + 506172.

It is an arithmetic number, because the mean of its divisors is an integer number (3866680314).

Almost surely, 2^20620334102 is an apocalyptic number.

20620334102 is a deficient number, since it is larger than the sum of its proper divisors (10313108410).

20620334102 is a wasteful number, since it uses less digits than its factorization.

20620334102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980454.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20620334102 its reverse (20143302602), we get a palindrome (40763636704).

The spelling of 20620334102 in words is "twenty billion, six hundred twenty million, three hundred thirty-four thousand, one hundred two".