20201102020202 has 8 divisors (see below), whose sum is σ = 30301717298112. Its totient is φ = 10100529587500.

The previous prime is 20201102020199. The next prime is 20201102020223. The reversal of 20201102020202 is 20202020110202.

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

It is a super-2 number, since 2×20201102020202² (a number of 27 digits) contains 22 as substring.

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, 9505424 + ... + 11434827.

It is an arithmetic number, because the mean of its divisors is an integer number (3787714662264).

Almost surely, 2^{20201102020202} is an apocalyptic number.

20201102020202 is a deficient number, since it is larger than the sum of its proper divisors (10100615277910).

20201102020202 is a wasteful number, since it uses less digits than its factorization.

20201102020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21422604.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20201102020202 its reverse (20202020110202), we get a palindrome (40403122130404).

Subtracting 20201102020202 from its reverse (20202020110202), we obtain a square (918090000 = 30300²).

The spelling of 20201102020202 in words is "twenty trillion, two hundred one billion, one hundred two million, twenty thousand, two hundred two".