20204263722 has 32 divisors (see below), whose sum is σ = 40781086848. Its totient is φ = 6672705536.

The previous prime is 20204263699. The next prime is 20204263741. The reversal of 20204263722 is 22736240202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20204263722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3490843 + ... + 3496625.

It is an arithmetic number, because the mean of its divisors is an integer number (1274408964).

Almost surely, 2^20204263722 is an apocalyptic number.

20204263722 is an abundant number, since it is smaller than the sum of its proper divisors (20576823126).

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

20204263722 is a wasteful number, since it uses less digits than its factorization.

20204263722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054.

The product of its (nonzero) digits is 16128, while the sum is 30.

The spelling of 20204263722 in words is "twenty billion, two hundred four million, two hundred sixty-three thousand, seven hundred twenty-two".