20015325377 has 8 divisors (see below), whose sum is σ = 21551896800. Its totient is φ = 18518665024.

The previous prime is 20015325373. The next prime is 20015325383. The reversal of 20015325377 is 77352351002.

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 20015325377 - 2² = 20015325373 is a prime.

It is a super-3 number, since 3×20015325377³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20015325373) 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 7 ways as a sum of consecutive naturals, for example, 9976727 + ... + 9978732.

It is an arithmetic number, because the mean of its divisors is an integer number (2693987100).

Almost surely, 2^20015325377 is an apocalyptic number.

It is an amenable number.

20015325377 is a deficient number, since it is larger than the sum of its proper divisors (1536571423).

20015325377 is a wasteful number, since it uses less digits than its factorization.

20015325377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19955535.

The product of its (nonzero) digits is 44100, while the sum is 35.

Adding to 20015325377 its reverse (77352351002), we get a palindrome (97367676379).

The spelling of 20015325377 in words is "twenty billion, fifteen million, three hundred twenty-five thousand, three hundred seventy-seven".