20004272672 has 24 divisors (see below), whose sum is σ = 39493137600. Its totient is φ = 9974269504.

The previous prime is 20004272663. The next prime is 20004272711. The reversal of 20004272672 is 27627240002.

It is a super-3 number, since 3×20004272672³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 859172 + ... + 882147.

It is an arithmetic number, because the mean of its divisors is an integer number (1645547400).

Almost surely, 2^20004272672 is an apocalyptic number.

It is an amenable number.

20004272672 is a deficient number, since it is larger than the sum of its proper divisors (19488864928).

20004272672 is a wasteful number, since it uses less digits than its factorization.

20004272672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741688 (or 1741680 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The spelling of 20004272672 in words is "twenty billion, four million, two hundred seventy-two thousand, six hundred seventy-two".