20010100003223 has 32 divisors (see below), whose sum is σ = 22675143456000. Its totient is φ = 17491371448320.

The previous prime is 20010100003217. The next prime is 20010100003247. The reversal of 20010100003223 is 32230000101002.

It is a happy number.

It is not a de Polignac number, because 20010100003223 - 2³⁴ = 19992920134039 is a prime.

It is a super-2 number, since 2×20010100003223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010100003198 and 20010100003207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010100002223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76992668 + ... + 77252126.

It is an arithmetic number, because the mean of its divisors is an integer number (708598233000).

Almost surely, 2^{20010100003223} is an apocalyptic number.

20010100003223 is a deficient number, since it is larger than the sum of its proper divisors (2665043452777).

20010100003223 is a wasteful number, since it uses less digits than its factorization.

20010100003223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260495.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20010100003223 its reverse (32230000101002), we get a palindrome (52240100104225).

The spelling of 20010100003223 in words is "twenty trillion, ten billion, one hundred million, three thousand, two hundred twenty-three".