20211034512 has 40 divisors (see below), whose sum is σ = 53622974656. Its totient is φ = 6554929536.

The previous prime is 20211034457. The next prime is 20211034531. The reversal of 20211034512 is 21543011202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5688268 + ... + 5691819.

Almost surely, 2^20211034512 is an apocalyptic number.

It is an amenable number.

20211034512 is an abundant number, since it is smaller than the sum of its proper divisors (33411940144).

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

20211034512 is a wasteful number, since it uses less digits than its factorization.

20211034512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11380135 (or 11380129 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20211034512 its reverse (21543011202), we get a palindrome (41754045714).

The spelling of 20211034512 in words is "twenty billion, two hundred eleven million, thirty-four thousand, five hundred twelve".