20422548002 has 4 divisors (see below), whose sum is σ = 30633822006. Its totient is φ = 10211274000.

The previous prime is 20422547989. The next prime is 20422548019. The reversal of 20422548002 is 20084522402.

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

It can be written as a sum of positive squares in only one way, i.e., 17966453521 + 2456094481 = 134039^2 + 49559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105636999 + ... + 5105637002.

Almost surely, 2^20422548002 is an apocalyptic number.

20422548002 is a deficient number, since it is larger than the sum of its proper divisors (10211274004).

20422548002 is a wasteful number, since it uses less digits than its factorization.

20422548002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211274003.

The product of its (nonzero) digits is 10240, while the sum is 29.

The spelling of 20422548002 in words is "twenty billion, four hundred twenty-two million, five hundred forty-eight thousand, two".