202123030200 has 576 divisors, whose sum is σ = 806219336160. Its totient is φ = 41490247680.

The previous prime is 202123030177. The next prime is 202123030223. The reversal of 202123030200 is 2030321202.

It is an interprime number because it is at equal distance from previous prime (202123030177) and next prime (202123030223).

It is a super-2 number, since 2×202123030200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202123030200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14134254 + ... + 14148546.

Almost surely, 2^202123030200 is an apocalyptic number.

202123030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202123030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403109668080).

202123030200 is an abundant number, since it is smaller than the sum of its proper divisors (604096305960).

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

202123030200 is a wasteful number, since it uses less digits than its factorization.

202123030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376 (or 14360 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 202123030200 its reverse (2030321202), we get a palindrome (204153351402).

The spelling of 202123030200 in words is "two hundred two billion, one hundred twenty-three million, thirty thousand, two hundred".