20110072 has 32 divisors (see below), whose sum is σ = 39283200. Its totient is φ = 9640800.

The previous prime is 20110043. The next prime is 20110087. The reversal of 20110072 is 27001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32179 + ... + 32797.

It is an arithmetic number, because the mean of its divisors is an integer number (1227600).

Almost surely, 2^20110072 is an apocalyptic number.

It is an amenable number.

20110072 is a deficient number, since it is larger than the sum of its proper divisors (19173128).

20110072 is a wasteful number, since it uses less digits than its factorization.

20110072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 20110072 is about 4484.4254927471. The cubic root of 20110072 is about 271.9388198617.

Adding to 20110072 its reverse (27001102), we get a palindrome (47111174).

The spelling of 20110072 in words is "twenty million, one hundred ten thousand, seventy-two".