20010101200202 has 8 divisors (see below), whose sum is σ = 30018961336800. Its totient is φ = 10003780754604.

The previous prime is 20010101200183. The next prime is 20010101200231. The reversal of 20010101200202 is 20200210101002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634903052 + ... + 634934567.

It is an arithmetic number, because the mean of its divisors is an integer number (3752370167100).

Almost surely, 2^{20010101200202} is an apocalyptic number.

20010101200202 is a deficient number, since it is larger than the sum of its proper divisors (10008860136598).

20010101200202 is a wasteful number, since it uses less digits than its factorization.

20010101200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269845500.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010101200202 its reverse (20200210101002), we get a palindrome (40210311301204).

The spelling of 20010101200202 in words is "twenty trillion, ten billion, one hundred one million, two hundred thousand, two hundred two".