20628462 has 16 divisors (see below), whose sum is σ = 42372432. Its totient is φ = 6690240.

The previous prime is 20628451. The next prime is 20628473. The reversal of 20628462 is 26482602.

It is an interprime number because it is at equal distance from previous prime (20628451) and next prime (20628473).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46239 + ... + 46682.

It is an arithmetic number, because the mean of its divisors is an integer number (2648277).

Almost surely, 2^20628462 is an apocalyptic number.

20628462 is an abundant number, since it is smaller than the sum of its proper divisors (21743970).

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

20628462 is a wasteful number, since it uses less digits than its factorization.

20628462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92963.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 20628462 is about 4541.8566688085. The cubic root of 20628462 is about 274.2556709250.

The spelling of 20628462 in words is "twenty million, six hundred twenty-eight thousand, four hundred sixty-two".