20330203102002 has 36 divisors (see below), whose sum is σ = 44058206171070. Its totient is φ = 6775283476416.

The previous prime is 20330203101983. The next prime is 20330203102009. The reversal of 20330203102002 is 20020130203302.

It is a happy number.

20330203102002 is a `hidden beast` number, since 2 + 0 + 330 + 2 + 0 + 310 + 20 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12472558785801 + 7857644316201 = 3531651^2 + 2803149^2 .

It is a super-3 number, since 3×20330203102002³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330203102009) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 501600874 + ... + 501641402.

Almost surely, 2^{20330203102002} is an apocalyptic number.

20330203102002 is an abundant number, since it is smaller than the sum of its proper divisors (23728003069068).

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

20330203102002 is an frugal number, since it uses more digits than its factorization.

20330203102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51095 (or 45813 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20330203102002 its reverse (20020130203302), we get a palindrome (40350333305304).

The spelling of 20330203102002 in words is "twenty trillion, three hundred thirty billion, two hundred three million, one hundred two thousand, two".