20078376157 has 8 divisors (see below), whose sum is σ = 23121882432. Its totient is φ = 17078661600.

The previous prime is 20078376151. The next prime is 20078376161. The reversal of 20078376157 is 75167387002.

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

It is not a de Polignac number, because 20078376157 - 2¹⁹ = 20077851869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20078376151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10946944 + ... + 10948777.

It is an arithmetic number, because the mean of its divisors is an integer number (2890235304).

Almost surely, 2^20078376157 is an apocalyptic number.

It is an amenable number.

20078376157 is a deficient number, since it is larger than the sum of its proper divisors (3043506275).

20078376157 is a wasteful number, since it uses less digits than its factorization.

20078376157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21895859.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 20078376157 in words is "twenty billion, seventy-eight million, three hundred seventy-six thousand, one hundred fifty-seven".