213420694900 has 72 divisors (see below), whose sum is σ = 531595003520. Its totient is φ = 72853223040.

The previous prime is 213420694871. The next prime is 213420694901. The reversal of 213420694900 is 9496024312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213420694901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505392 + ... + 825991.

Almost surely, 2^213420694900 is an apocalyptic number.

213420694900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213420694900 is an abundant number, since it is smaller than the sum of its proper divisors (318174308620).

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

213420694900 is a wasteful number, since it uses less digits than its factorization.

213420694900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331633 (or 1331626 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 213420694900 in words is "two hundred thirteen billion, four hundred twenty million, six hundred ninety-four thousand, nine hundred".