20626046 has 16 divisors (see below), whose sum is σ = 35959680. Its totient is φ = 8689560.

The previous prime is 20626037. The next prime is 20626051. The reversal of 20626046 is 64062602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11660 + ... + 13311.

It is an arithmetic number, because the mean of its divisors is an integer number (2247480).

Almost surely, 2^20626046 is an apocalyptic number.

20626046 is a deficient number, since it is larger than the sum of its proper divisors (15333634).

20626046 is a wasteful number, since it uses less digits than its factorization.

20626046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25039.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20626046 is about 4541.5906904960. The cubic root of 20626046 is about 274.2449635898.

Adding to 20626046 its reverse (64062602), we get a palindrome (84688648).

The spelling of 20626046 in words is "twenty million, six hundred twenty-six thousand, forty-six".