20678962 has 8 divisors (see below), whose sum is σ = 31059756. Its totient is φ = 10325712.

The previous prime is 20678951. The next prime is 20678981. The reversal of 20678962 is 26987602.

It can be written as a sum of positive squares in 2 ways, for example, as 17986081 + 2692881 = 4241^2 + 1641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4893 + ... + 8080.

Almost surely, 2^20678962 is an apocalyptic number.

20678962 is a deficient number, since it is larger than the sum of its proper divisors (10380794).

20678962 is a wasteful number, since it uses less digits than its factorization.

20678962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 20678962 is about 4547.4126709592. The cubic root of 20678962 is about 274.4792879331.

The spelling of 20678962 in words is "twenty million, six hundred seventy-eight thousand, nine hundred sixty-two".