20110211023208 has 8 divisors (see below), whose sum is σ = 37706645668530. Its totient is φ = 10055105511600.

The previous prime is 20110211023093. The next prime is 20110211023247. The reversal of 20110211023208 is 80232011201102.

It can be written as a sum of positive squares in only one way, i.e., 20068088386564 + 42122636644 = 4479742^2 + 205238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20110211023208² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256888188943 + ... + 1256888188958.

Almost surely, 2^{20110211023208} is an apocalyptic number.

It is an amenable number.

20110211023208 is a deficient number, since it is larger than the sum of its proper divisors (17596434645322).

20110211023208 is a wasteful number, since it uses less digits than its factorization.

20110211023208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513776377907 (or 2513776377903 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The spelling of 20110211023208 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, twenty-three thousand, two hundred eight".