19620102 has 16 divisors (see below), whose sum is σ = 39300912. Its totient is φ = 6529920.

The previous prime is 19620059. The next prime is 19620113. The reversal of 19620102 is 20102691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418 + ... + 6714.

It is an arithmetic number, because the mean of its divisors is an integer number (2456307).

Almost surely, 2^19620102 is an apocalyptic number.

19620102 is an abundant number, since it is smaller than the sum of its proper divisors (19680810).

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

19620102 is a wasteful number, since it uses less digits than its factorization.

19620102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 19620102 is about 4429.4584319079. The cubic root of 19620102 is about 269.7120936576.

Adding to 19620102 its reverse (20102691), we get a palindrome (39722793).

The spelling of 19620102 in words is "nineteen million, six hundred twenty thousand, one hundred two".