20760069 has 16 divisors (see below), whose sum is σ = 30694464. Its totient is φ = 12374400.

The previous prime is 20760029. The next prime is 20760073. The reversal of 20760069 is 96006702.

It is not a de Polignac number, because 20760069 - 2¹³ = 20751877 is a prime.

It is a super-4 number, since 4×20760069⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20760029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3144 + ... + 7169.

It is an arithmetic number, because the mean of its divisors is an integer number (1918404).

Almost surely, 2^20760069 is an apocalyptic number.

It is an amenable number.

20760069 is a deficient number, since it is larger than the sum of its proper divisors (9934395).

20760069 is a wasteful number, since it uses less digits than its factorization.

20760069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10388.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 20760069 is about 4556.3218718611. The cubic root of 20760069 is about 274.8376738985.

The spelling of 20760069 in words is "twenty million, seven hundred sixty thousand, sixty-nine".