10200102020002 has 4 divisors (see below), whose sum is σ = 15300153030006. Its totient is φ = 5100051010000.

The previous prime is 10200102019979. The next prime is 10200102020021. The reversal of 10200102020002 is 20002020100201.

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., 7944725812321 + 2255376207681 = 2818639^2 + 1501791^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550025504999 + ... + 2550025505002.

Almost surely, 2^{10200102020002} is an apocalyptic number.

10200102020002 is a deficient number, since it is larger than the sum of its proper divisors (5100051010004).

10200102020002 is an equidigital number, since it uses as much as digits as its factorization.

10200102020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100051010003.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10200102020002 its reverse (20002020100201), we get a palindrome (30202122120203).

The spelling of 10200102020002 in words is "ten trillion, two hundred billion, one hundred two million, twenty thousand, two".