20420576367 has 12 divisors (see below), whose sum is σ = 27681118920. Its totient is φ = 13390534560.

The previous prime is 20420576357. The next prime is 20420576383. The reversal of 20420576367 is 76367502402.

It is not a de Polignac number, because 20420576367 - 2⁶ = 20420576303 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20420576357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 903492 + ... + 925817.

It is an arithmetic number, because the mean of its divisors is an integer number (2306759910).

Almost surely, 2^20420576367 is an apocalyptic number.

20420576367 is a deficient number, since it is larger than the sum of its proper divisors (7260542553).

20420576367 is an equidigital number, since it uses as much as digits as its factorization.

20420576367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829434 (or 1829373 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 20420576367 in words is "twenty billion, four hundred twenty million, five hundred seventy-six thousand, three hundred sixty-seven".