20326707 has 14 divisors (see below), whose sum is σ = 30477212. Its totient is φ = 13550652.

The previous prime is 20326699. The next prime is 20326717. The reversal of 20326707 is 70762302.

It is not a de Polignac number, because 20326707 - 2³ = 20326699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (20326717) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 13213 + ... + 14670.

Almost surely, 2^20326707 is an apocalyptic number.

20326707 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20326707 is a deficient number, since it is larger than the sum of its proper divisors (10150505).

20326707 is an frugal number, since it uses more digits than its factorization.

20326707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27901 (or 27886 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20326707 is about 4508.5149439699. The cubic root of 20326707 is about 272.9118179146.

The spelling of 20326707 in words is "twenty million, three hundred twenty-six thousand, seven hundred seven".