213063630 has 32 divisors (see below), whose sum is σ = 550688544. Its totient is φ = 52446336.

The previous prime is 213063583. The next prime is 213063659. The reversal of 213063630 is 36360312.

It is a super-2 number, since 2×213063630² = 90792220857553800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213063630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272769 + ... + 273548.

It is an arithmetic number, because the mean of its divisors is an integer number (17209017).

Almost surely, 2^213063630 is an apocalyptic number.

213063630 is an abundant number, since it is smaller than the sum of its proper divisors (337624914).

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

213063630 is a wasteful number, since it uses less digits than its factorization.

213063630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546340.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 213063630 is about 14596.6992844273. The cubic root of 213063630 is about 597.2687246461.

The spelling of 213063630 in words is "two hundred thirteen million, sixty-three thousand, six hundred thirty".