20301072 has 40 divisors (see below), whose sum is σ = 57213600. Its totient is φ = 6151680.

The previous prime is 20301059. The next prime is 20301097. The reversal of 20301072 is 27010302.

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, 18697 + ... + 19752.

It is an arithmetic number, because the mean of its divisors is an integer number (1430340).

Almost surely, 2^20301072 is an apocalyptic number.

20301072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20301072 is an abundant number, since it is smaller than the sum of its proper divisors (36912528).

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

20301072 is a wasteful number, since it uses less digits than its factorization.

20301072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38471 (or 38465 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20301072 is about 4505.6710931891. The cubic root of 20301072 is about 272.7970421904.

Adding to 20301072 its reverse (27010302), we get a palindrome (47311374).

The spelling of 20301072 in words is "twenty million, three hundred one thousand, seventy-two".