20210223100 has 36 divisors (see below), whose sum is σ = 44118832464. Its totient is φ = 8035674880.

The previous prime is 20210223079. The next prime is 20210223157. The reversal of 20210223100 is 132201202.

It is a super-2 number, since 2×20210223100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 588397 + ... + 621796.

It is an arithmetic number, because the mean of its divisors is an integer number (1225523124).

Almost surely, 2^20210223100 is an apocalyptic number.

20210223100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210223100 is an abundant number, since it is smaller than the sum of its proper divisors (23908609364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210223100 is a wasteful number, since it uses less digits than its factorization.

20210223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210374 (or 1210367 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20210223100 its reverse (132201202), we get a palindrome (20342424302).

The spelling of 20210223100 in words is "twenty billion, two hundred ten million, two hundred twenty-three thousand, one hundred".