20001822202 has 16 divisors (see below), whose sum is σ = 30847953024. Its totient is φ = 9720972000.

The previous prime is 20001822199. The next prime is 20001822221. The reversal of 20001822202 is 20222810002.

It is a self number, because there is not a number n which added to its sum of digits gives 20001822202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427824 + ... + 472267.

It is an arithmetic number, because the mean of its divisors is an integer number (1927997064).

Almost surely, 2^20001822202 is an apocalyptic number.

20001822202 is a deficient number, since it is larger than the sum of its proper divisors (10846130822).

20001822202 is a wasteful number, since it uses less digits than its factorization.

20001822202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900405.

The product of its (nonzero) digits is 256, while the sum is 19.

The spelling of 20001822202 in words is "twenty billion, one million, eight hundred twenty-two thousand, two hundred two".