20626467 has 16 divisors (see below), whose sum is σ = 28250112. Its totient is φ = 13380480.

The previous prime is 20626447. The next prime is 20626481. The reversal of 20626467 is 76462602.

It is not a de Polignac number, because 20626467 - 2⁷ = 20626339 is a prime.

It is a super-2 number, since 2×20626467² = 850902281804178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20626447) 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 15 ways as a sum of consecutive naturals, for example, 33678 + ... + 34284.

It is an arithmetic number, because the mean of its divisors is an integer number (1765632).

Almost surely, 2^20626467 is an apocalyptic number.

20626467 is a deficient number, since it is larger than the sum of its proper divisors (7623645).

20626467 is a wasteful number, since it uses less digits than its factorization.

20626467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 20626467 is about 4541.6370396587. The cubic root of 20626467 is about 274.2468294563.

The spelling of 20626467 in words is "twenty million, six hundred twenty-six thousand, four hundred sixty-seven".