10420202100223 has 4 divisors (see below), whose sum is σ = 11033155164960. Its totient is φ = 9807249035488.

The previous prime is 10420202100173. The next prime is 10420202100271. The reversal of 10420202100223 is 32200120202401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10420202100223 is a prime.

It is a super-2 number, since 2×10420202100223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10420202100223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420202100283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306476532343 + ... + 306476532376.

It is an arithmetic number, because the mean of its divisors is an integer number (2758288791240).

Almost surely, 2^{10420202100223} is an apocalyptic number.

10420202100223 is a deficient number, since it is larger than the sum of its proper divisors (612953064737).

10420202100223 is an equidigital number, since it uses as much as digits as its factorization.

10420202100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612953064736.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10420202100223 its reverse (32200120202401), we get a palindrome (42620322302624).

The spelling of 10420202100223 in words is "ten trillion, four hundred twenty billion, two hundred two million, one hundred thousand, two hundred twenty-three".