20210201223 has 16 divisors (see below), whose sum is σ = 28286931456. Its totient is φ = 12810485600.

The previous prime is 20210201173. The next prime is 20210201227. The reversal of 20210201223 is 32210201202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20210201223 - 2²¹ = 20208104071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210201227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865428 + ... + 888473.

It is an arithmetic number, because the mean of its divisors is an integer number (1767933216).

Almost surely, 2^20210201223 is an apocalyptic number.

20210201223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20210201223 is a deficient number, since it is larger than the sum of its proper divisors (8076730233).

20210201223 is a wasteful number, since it uses less digits than its factorization.

20210201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754094.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20210201223 its reverse (32210201202), we get a palindrome (52420402425).

The spelling of 20210201223 in words is "twenty billion, two hundred ten million, two hundred one thousand, two hundred twenty-three".