20000102 has 8 divisors (see below), whose sum is σ = 30411336. Its totient is φ = 9862992.

The previous prime is 20000093. The next prime is 20000107. The reversal of 20000102 is 20100002.

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 (20000107) 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, 68348 + ... + 68639.

It is an arithmetic number, because the mean of its divisors is an integer number (3801417).

Almost surely, 2^20000102 is an apocalyptic number.

20000102 is a deficient number, since it is larger than the sum of its proper divisors (10411234).

20000102 is a wasteful number, since it uses less digits than its factorization.

20000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137062.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 20000102 is about 4472.1473589317. The cubic root of 20000102 is about 271.4422231097.

Adding to 20000102 its reverse (20100002), we get a palindrome (40100104).

Multiplying 20000102 by its reverse (20100002), we get a palindrome (402002090200204).

It can be divided in two parts, 20000 and 102, that added together give a palindrome (20102).

The spelling of 20000102 in words is "twenty million, one hundred two", and thus it is an aban number.