20020211220011 has 8 divisors (see below), whose sum is σ = 21079384634880. Its totient is φ = 18961585613928.

The previous prime is 20020211219977. The next prime is 20020211220013. The reversal of 20020211220011 is 11002211202002.

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

It is a cyclic number.

It is not a de Polignac number, because 20020211220011 - 2¹⁴ = 20020211203627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020211220013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136877171 + ... + 137023356.

It is an arithmetic number, because the mean of its divisors is an integer number (2634923079360).

Almost surely, 2^{20020211220011} is an apocalyptic number.

20020211220011 is a deficient number, since it is larger than the sum of its proper divisors (1059173414869).

20020211220011 is a wasteful number, since it uses less digits than its factorization.

20020211220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273904393.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020211220011 its reverse (11002211202002), we get a palindrome (31022422422013).

The spelling of 20020211220011 in words is "twenty trillion, twenty billion, two hundred eleven million, two hundred twenty thousand, eleven".