20677342 has 8 divisors (see below), whose sum is σ = 35446896. Its totient is φ = 8861712.

The previous prime is 20677337. The next prime is 20677351. The reversal of 20677342 is 24377602.

It is a happy number.

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

It is a congruent number.

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, 738463 + ... + 738490.

It is an arithmetic number, because the mean of its divisors is an integer number (4430862).

Almost surely, 2^20677342 is an apocalyptic number.

20677342 is a deficient number, since it is larger than the sum of its proper divisors (14769554).

20677342 is a wasteful number, since it uses less digits than its factorization.

20677342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476962.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 20677342 is about 4547.2345442038. The cubic root of 20677342 is about 274.4721201320.

It can be divided in two parts, 2067 and 7342, that added together give a square (9409 = 97²).

The spelling of 20677342 in words is "twenty million, six hundred seventy-seven thousand, three hundred forty-two".