20677914 has 12 divisors (see below), whose sum is σ = 44802186. Its totient is φ = 6892632.

The previous prime is 20677903. The next prime is 20677919. The reversal of 20677914 is 41977602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19316025 + 1361889 = 4395^2 + 1167^2 .

It is a super-2 number, since 2×20677914² = 855152254782792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20677919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 574369 + ... + 574404.

Almost surely, 2^20677914 is an apocalyptic number.

20677914 is an abundant number, since it is smaller than the sum of its proper divisors (24124272).

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

20677914 is a wasteful number, since it uses less digits than its factorization.

20677914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148781 (or 1148778 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 20677914 is about 4547.2974391390. The cubic root of 20677914 is about 274.4746510280.

The spelling of 20677914 in words is "twenty million, six hundred seventy-seven thousand, nine hundred fourteen".