20679300157 has 8 divisors (see below), whose sum is σ = 22222532736. Its totient is φ = 19172379072.

The previous prime is 20679300097. The next prime is 20679300163. The reversal of 20679300157 is 75100397602.

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 20679300157 - 2¹⁹ = 20678775869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20679300197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9076693 + ... + 9078970.

It is an arithmetic number, because the mean of its divisors is an integer number (2777816592).

Almost surely, 2^20679300157 is an apocalyptic number.

It is an amenable number.

20679300157 is a deficient number, since it is larger than the sum of its proper divisors (1543232579).

20679300157 is a wasteful number, since it uses less digits than its factorization.

20679300157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18155747.

The product of its (nonzero) digits is 79380, while the sum is 40.

Adding to 20679300157 its reverse (75100397602), we get a palindrome (95779697759).

The spelling of 20679300157 in words is "twenty billion, six hundred seventy-nine million, three hundred thousand, one hundred fifty-seven".