20477575722 has 8 divisors (see below), whose sum is σ = 40955151456. Its totient is φ = 6825858572.

The previous prime is 20477575711. The next prime is 20477575733. The reversal of 20477575722 is 22757577402.

It is an interprime number because it is at equal distance from previous prime (20477575711) and next prime (20477575733).

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

20477575722 is an admirable number.

It is a super-2 number, since 2×20477575722² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706464638 + ... + 1706464649.

It is an arithmetic number, because the mean of its divisors is an integer number (5119393932).

Almost surely, 2^20477575722 is an apocalyptic number.

20477575722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20477575722 is a wasteful number, since it uses less digits than its factorization.

20477575722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412929292.

The product of its (nonzero) digits is 1920800, while the sum is 48.

The spelling of 20477575722 in words is "twenty billion, four hundred seventy-seven million, five hundred seventy-five thousand, seven hundred twenty-two".