20664153622 has 8 divisors (see below), whose sum is σ = 35424263376. Its totient is φ = 8856065832.

The previous prime is 20664153613. The next prime is 20664153673. The reversal of 20664153622 is 22635146602.

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

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, 738005473 + ... + 738005500.

It is an arithmetic number, because the mean of its divisors is an integer number (4428032922).

Almost surely, 2^20664153622 is an apocalyptic number.

20664153622 is a deficient number, since it is larger than the sum of its proper divisors (14760109754).

20664153622 is a wasteful number, since it uses less digits than its factorization.

20664153622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476010982.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 20664153622 in words is "twenty billion, six hundred sixty-four million, one hundred fifty-three thousand, six hundred twenty-two".