202103310400 has 84 divisors (see below), whose sum is σ = 497423194128. Its totient is φ = 80821373440.

The previous prime is 202103310397. The next prime is 202103310433. The reversal of 202103310400 is 4013301202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 7646007 + ... + 7672393.

It is an arithmetic number, because the mean of its divisors is an integer number (5921704692).

Almost surely, 2^202103310400 is an apocalyptic number.

202103310400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202103310400 is an abundant number, since it is smaller than the sum of its proper divisors (295319883728).

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

202103310400 is a wasteful number, since it uses less digits than its factorization.

202103310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31196 (or 31181 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202103310400 its reverse (4013301202), we get a palindrome (206116611602).

The spelling of 202103310400 in words is "two hundred two billion, one hundred three million, three hundred ten thousand, four hundred".