20272698 has 48 divisors (see below), whose sum is σ = 46365696. Its totient is φ = 6392160.

The previous prime is 20272663. The next prime is 20272699. The reversal of 20272698 is 89627202.

It is not an unprimeable number, because it can be changed into a prime (20272699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25840 + ... + 26612.

It is an arithmetic number, because the mean of its divisors is an integer number (965952).

Almost surely, 2^20272698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20272698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23182848).

20272698 is an abundant number, since it is smaller than the sum of its proper divisors (26092998).

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

20272698 is a wasteful number, since it uses less digits than its factorization.

20272698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20272698 is about 4502.5212936754. The cubic root of 20272698 is about 272.6698904124.

It can be divided in two parts, 202 and 72698, that added together give a square (72900 = 270²).

The spelling of 20272698 in words is "twenty million, two hundred seventy-two thousand, six hundred ninety-eight".