20077115 has 8 divisors (see below), whose sum is σ = 24116640. Its totient is φ = 16045632.

The previous prime is 20077103. The next prime is 20077121. The reversal of 20077115 is 51177002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20077115 - 2¹² = 20073019 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8327 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (3014580).

Almost surely, 2^20077115 is an apocalyptic number.

20077115 is a deficient number, since it is larger than the sum of its proper divisors (4039525).

20077115 is a wasteful number, since it uses less digits than its factorization.

20077115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 20077115 is about 4480.7493792891. The cubic root of 20077115 is about 271.7901847558.

The spelling of 20077115 in words is "twenty million, seventy-seven thousand, one hundred fifteen".