20642062 has 8 divisors (see below), whose sum is σ = 35386416. Its totient is φ = 8846592.

The previous prime is 20642059. The next prime is 20642099. The reversal of 20642062 is 26024602.

It is a happy number.

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

It is a super-2 number, since 2×20642062² = 852189447223688, which contains 22 as substring.

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, 737203 + ... + 737230.

It is an arithmetic number, because the mean of its divisors is an integer number (4423302).

Almost surely, 2^20642062 is an apocalyptic number.

20642062 is a deficient number, since it is larger than the sum of its proper divisors (14744354).

20642062 is a wasteful number, since it uses less digits than its factorization.

20642062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474442.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20642062 is about 4543.3536071937. The cubic root of 20642062 is about 274.3159284104.

Adding to 20642062 its reverse (26024602), we get a palindrome (46666664).

The spelling of 20642062 in words is "twenty million, six hundred forty-two thousand, sixty-two".