20110211202030 has 16 divisors (see below), whose sum is σ = 48264506884944. Its totient is φ = 5362722987200.

The previous prime is 20110211202001. The next prime is 20110211202031. The reversal of 20110211202030 is 3020211201102.

It is a super-2 number, since 2×20110211202030² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110211202031) 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, 335170186671 + ... + 335170186730.

It is an arithmetic number, because the mean of its divisors is an integer number (3016531680309).

Almost surely, 2^{20110211202030} is an apocalyptic number.

20110211202030 is an abundant number, since it is smaller than the sum of its proper divisors (28154295682914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110211202030 is a wasteful number, since it uses less digits than its factorization.

20110211202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670340373411.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20110211202030 its reverse (3020211201102), we get a palindrome (23130422403132).

The spelling of 20110211202030 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, two hundred two thousand, thirty".