20633464630 has 8 divisors (see below), whose sum is σ = 37140236352. Its totient is φ = 8253385848.

The previous prime is 20633464571. The next prime is 20633464651. The reversal of 20633464630 is 3646433602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×20633464630³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20633464630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031673222 + ... + 1031673241.

It is an arithmetic number, because the mean of its divisors is an integer number (4642529544).

Almost surely, 2^20633464630 is an apocalyptic number.

20633464630 is a deficient number, since it is larger than the sum of its proper divisors (16506771722).

20633464630 is a wasteful number, since it uses less digits than its factorization.

20633464630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063346470.

The product of its (nonzero) digits is 186624, while the sum is 37.

The spelling of 20633464630 in words is "twenty billion, six hundred thirty-three million, four hundred sixty-four thousand, six hundred thirty".