20212003304 has 8 divisors (see below), whose sum is σ = 37897506210. Its totient is φ = 10106001648.

The previous prime is 20212003121. The next prime is 20212003397. The reversal of 20212003304 is 40330021202.

It can be written as a sum of positive squares in only one way, i.e., 17580108100 + 2631895204 = 132590^2 + 51302^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263250199 + ... + 1263250214.

Almost surely, 2^20212003304 is an apocalyptic number.

It is an amenable number.

20212003304 is a deficient number, since it is larger than the sum of its proper divisors (17685502906).

20212003304 is a wasteful number, since it uses less digits than its factorization.

20212003304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526500419 (or 2526500415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20212003304 its reverse (40330021202), we get a palindrome (60542024506).

The spelling of 20212003304 in words is "twenty billion, two hundred twelve million, three thousand, three hundred four".