10020100020002 has 4 divisors (see below), whose sum is σ = 15030150030006. Its totient is φ = 5010050010000.

The previous prime is 10020100019981. The next prime is 10020100020017. The reversal of 10020100020002 is 20002000102001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7742478765961 + 2277621254041 = 2782531^2 + 1509179^2 .

It is a super-3 number, since 3×10020100020002³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505025004999 + ... + 2505025005002.

Almost surely, 2^{10020100020002} is an apocalyptic number.

10020100020002 is a deficient number, since it is larger than the sum of its proper divisors (5010050010004).

10020100020002 is an equidigital number, since it uses as much as digits as its factorization.

10020100020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010050010003.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10020100020002 its reverse (20002000102001), we get a palindrome (30022100122003).

The spelling of 10020100020002 in words is "ten trillion, twenty billion, one hundred million, twenty thousand, two".