20627398 has 16 divisors (see below), whose sum is σ = 34085376. Its totient is φ = 9284040.

The previous prime is 20627393. The next prime is 20627419. The reversal of 20627398 is 89372602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20627393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2286 + ... + 6817.

It is an arithmetic number, because the mean of its divisors is an integer number (2130336).

Almost surely, 2^20627398 is an apocalyptic number.

20627398 is a deficient number, since it is larger than the sum of its proper divisors (13457978).

20627398 is a wasteful number, since it uses less digits than its factorization.

20627398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 20627398 is about 4541.7395345836. The cubic root of 20627398 is about 274.2509555460.

It can be divided in two parts, 20627 and 398, that added together give a square (21025 = 145²).

The spelling of 20627398 in words is "twenty million, six hundred twenty-seven thousand, three hundred ninety-eight".