20005546622 has 4 divisors (see below), whose sum is σ = 30008319936. Its totient is φ = 10002773310.

The previous prime is 20005546609. The next prime is 20005546643. The reversal of 20005546622 is 22664550002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20005546622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001386654 + ... + 5001386657.

It is an arithmetic number, because the mean of its divisors is an integer number (7502079984).

Almost surely, 2^20005546622 is an apocalyptic number.

20005546622 is a deficient number, since it is larger than the sum of its proper divisors (10002773314).

20005546622 is a wasteful number, since it uses less digits than its factorization.

20005546622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002773313.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 20005546622 in words is "twenty billion, five million, five hundred forty-six thousand, six hundred twenty-two".