20211540304 has 20 divisors (see below), whose sum is σ = 39170756800. Its totient is φ = 10102957920.

The previous prime is 20211540257. The next prime is 20211540311. The reversal of 20211540304 is 40304511202.

It is a super-2 number, since 2×20211540304² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115854 + ... + 232045.

It is an arithmetic number, because the mean of its divisors is an integer number (1958537840).

Almost surely, 2^20211540304 is an apocalyptic number.

It is an amenable number.

20211540304 is a deficient number, since it is larger than the sum of its proper divisors (18959216496).

20211540304 is a wasteful number, since it uses less digits than its factorization.

20211540304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351538 (or 351532 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The spelling of 20211540304 in words is "twenty billion, two hundred eleven million, five hundred forty thousand, three hundred four".