213032230400 has 120 divisors (see below), whose sum is σ = 575786555784. Its totient is φ = 77466214400.

The previous prime is 213032230357. The next prime is 213032230421. The reversal of 213032230400 is 4032230312.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 615707 + ... + 897306.

Almost surely, 2^213032230400 is an apocalyptic number.

213032230400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213032230400 is an abundant number, since it is smaller than the sum of its proper divisors (362754325384).

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

213032230400 is a wasteful number, since it uses less digits than its factorization.

213032230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513052 (or 1513031 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 213032230400 its reverse (4032230312), we get a palindrome (217064460712).

The spelling of 213032230400 in words is "two hundred thirteen billion, thirty-two million, two hundred thirty thousand, four hundred".