20205357622 has 16 divisors (see below), whose sum is σ = 31089277440. Its totient is φ = 9844159528.

The previous prime is 20205357619. The next prime is 20205357629. The reversal of 20205357622 is 22675350202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20205357629) 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, 452122 + ... + 494797.

It is an arithmetic number, because the mean of its divisors is an integer number (1943079840).

Almost surely, 2^20205357622 is an apocalyptic number.

20205357622 is a deficient number, since it is larger than the sum of its proper divisors (10883919818).

20205357622 is a wasteful number, since it uses less digits than its factorization.

20205357622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947195.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 20205357622 in words is "twenty billion, two hundred five million, three hundred fifty-seven thousand, six hundred twenty-two".