20357226367 has 32 divisors (see below), whose sum is σ = 21864775680. Its totient is φ = 18919111680.

The previous prime is 20357226343. The next prime is 20357226371. The reversal of 20357226367 is 76362275302.

It is a cyclic number.

It is not a de Polignac number, because 20357226367 - 2²⁷ = 20223008639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20357296367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30248143 + ... + 30248815.

It is an arithmetic number, because the mean of its divisors is an integer number (683274240).

Almost surely, 2^20357226367 is an apocalyptic number.

20357226367 is a deficient number, since it is larger than the sum of its proper divisors (1507549313).

20357226367 is a wasteful number, since it uses less digits than its factorization.

20357226367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its (nonzero) digits is 635040, while the sum is 43.

The spelling of 20357226367 in words is "twenty billion, three hundred fifty-seven million, two hundred twenty-six thousand, three hundred sixty-seven".