20357540367 has 8 divisors (see below), whose sum is σ = 28571986560. Its totient is φ = 12857393880.

The previous prime is 20357540351. The next prime is 20357540387. The reversal of 20357540367 is 76304575302.

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

It is not a de Polignac number, because 20357540367 - 2⁴ = 20357540351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20357540317) 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, 178574859 + ... + 178574972.

It is an arithmetic number, because the mean of its divisors is an integer number (3571498320).

Almost surely, 2^20357540367 is an apocalyptic number.

20357540367 is a deficient number, since it is larger than the sum of its proper divisors (8214446193).

20357540367 is a wasteful number, since it uses less digits than its factorization.

20357540367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357149853.

The product of its (nonzero) digits is 529200, while the sum is 42.

The spelling of 20357540367 in words is "twenty billion, three hundred fifty-seven million, five hundred forty thousand, three hundred sixty-seven".