20627476 has 12 divisors (see below), whose sum is σ = 36282708. Its totient is φ = 10260992.

The previous prime is 20627473. The next prime is 20627489. The reversal of 20627476 is 67472602.

It can be written as a sum of positive squares in 2 ways, for example, as 20034576 + 592900 = 4476^2 + 770^2 .

It is a super-2 number, since 2×20627476² = 850985532261152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20627471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12301 + ... + 13876.

It is an arithmetic number, because the mean of its divisors is an integer number (3023559).

Almost surely, 2^20627476 is an apocalyptic number.

It is an amenable number.

20627476 is a deficient number, since it is larger than the sum of its proper divisors (15655232).

20627476 is a wasteful number, since it uses less digits than its factorization.

20627476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26378 (or 26376 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 20627476 is about 4541.7481215937. The cubic root of 20627476 is about 274.2513012278.

The spelling of 20627476 in words is "twenty million, six hundred twenty-seven thousand, four hundred seventy-six".