20221001002 has 8 divisors (see below), whose sum is σ = 30715444800. Its totient is φ = 9982519404.

The previous prime is 20221000993. The next prime is 20221001069. The reversal of 20221001002 is 20010012202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20221001002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63990352 + ... + 63990667.

It is an arithmetic number, because the mean of its divisors is an integer number (3839430600).

Almost surely, 2^20221001002 is an apocalyptic number.

20221001002 is a deficient number, since it is larger than the sum of its proper divisors (10494443798).

20221001002 is a wasteful number, since it uses less digits than its factorization.

20221001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127981100.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20221001002 its reverse (20010012202), we get a palindrome (40231013204).

The spelling of 20221001002 in words is "twenty billion, two hundred twenty-one million, one thousand, two".