20220120002011 has 4 divisors (see below), whose sum is σ = 20367712118952. Its totient is φ = 20072527885072.

The previous prime is 20220120001951. The next prime is 20220120002029. The reversal of 20220120002011 is 11020002102202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20220120002011 - 2⁴¹ = 18021096746459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220120001982 and 20220120002000.

It is not an unprimeable number, because it can be changed into a prime (20220120002051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73796058265 + ... + 73796058538.

It is an arithmetic number, because the mean of its divisors is an integer number (5091928029738).

Almost surely, 2^{20220120002011} is an apocalyptic number.

20220120002011 is a deficient number, since it is larger than the sum of its proper divisors (147592116941).

20220120002011 is a wasteful number, since it uses less digits than its factorization.

20220120002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147592116940.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220120002011 its reverse (11020002102202), we get a palindrome (31240122104213).

The spelling of 20220120002011 in words is "twenty trillion, two hundred twenty billion, one hundred twenty million, two thousand, eleven".