20021110211032 has 32 divisors (see below), whose sum is σ = 44286326737920. Its totient is φ = 8303686261920.

The previous prime is 20021110211027. The next prime is 20021110211149. The reversal of 20021110211032 is 23011201112002.

It is a junction number, because it is equal to n+sod(n) for n = 20021110210997 and 20021110211015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5766447058 + ... + 5766450529.

It is an arithmetic number, because the mean of its divisors is an integer number (1383947710560).

Almost surely, 2^{20021110211032} is an apocalyptic number.

It is an amenable number.

20021110211032 is an abundant number, since it is smaller than the sum of its proper divisors (24265216526888).

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

20021110211032 is a wasteful number, since it uses less digits than its factorization.

20021110211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532897631 (or 11532897627 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20021110211032 its reverse (23011201112002), we get a palindrome (43032311323034).

The spelling of 20021110211032 in words is "twenty trillion, twenty-one billion, one hundred ten million, two hundred eleven thousand, thirty-two".