20122202001 has 16 divisors (see below), whose sum is σ = 29281848768. Its totient is φ = 12189777600.

The previous prime is 20122201987. The next prime is 20122202003. The reversal of 20122202001 is 10020222102.

It is not a de Polignac number, because 20122202001 - 2¹¹ = 20122199953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122202003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62470 + ... + 210111.

It is an arithmetic number, because the mean of its divisors is an integer number (1830115548).

Almost surely, 2^20122202001 is an apocalyptic number.

It is an amenable number.

20122202001 is a deficient number, since it is larger than the sum of its proper divisors (9159646767).

20122202001 is a wasteful number, since it uses less digits than its factorization.

20122202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274832.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20122202001 its reverse (10020222102), we get a palindrome (30142424103).

The spelling of 20122202001 in words is "twenty billion, one hundred twenty-two million, two hundred two thousand, one".