202020213400 has 48 divisors (see below), whose sum is σ = 469812564000. Its totient is φ = 80788202880.

The previous prime is 202020213347. The next prime is 202020213407. The reversal of 202020213400 is 4312020202.

202020213400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020213407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704401 + ... + 948799.

It is an arithmetic number, because the mean of its divisors is an integer number (9787761750).

Almost surely, 2^202020213400 is an apocalyptic number.

202020213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020213400 is an abundant number, since it is smaller than the sum of its proper divisors (267792350600).

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

202020213400 is a wasteful number, since it uses less digits than its factorization.

202020213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248548 (or 248539 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 202020213400 its reverse (4312020202), we get a palindrome (206332233602).

The spelling of 202020213400 in words is "two hundred two billion, twenty million, two hundred thirteen thousand, four hundred".