20626694 has 8 divisors (see below), whose sum is σ = 33752808. Its totient is φ = 9375760.

The previous prime is 20626693. The next prime is 20626703. The reversal of 20626694 is 49662602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20626693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468767 + ... + 468810.

It is an arithmetic number, because the mean of its divisors is an integer number (4219101).

Almost surely, 2^20626694 is an apocalyptic number.

20626694 is a deficient number, since it is larger than the sum of its proper divisors (13126114).

20626694 is a wasteful number, since it uses less digits than its factorization.

20626694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937590.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 20626694 is about 4541.6620305787. The cubic root of 20626694 is about 274.2478355068.

The spelling of 20626694 in words is "twenty million, six hundred twenty-six thousand, six hundred ninety-four".