20622053 has 8 divisors (see below), whose sum is σ = 21643200. Its totient is φ = 19611328.

The previous prime is 20622029. The next prime is 20622059. The reversal of 20622053 is 35022602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20622053 - 2¹⁶ = 20556517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613 + ... + 6621.

It is an arithmetic number, because the mean of its divisors is an integer number (2705400).

Almost surely, 2^20622053 is an apocalyptic number.

20622053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20622053 is a deficient number, since it is larger than the sum of its proper divisors (1021147).

20622053 is a wasteful number, since it uses less digits than its factorization.

20622053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20622053 is about 4541.1510655339. The cubic root of 20622053 is about 274.2272654036.

Adding to 20622053 its reverse (35022602), we get a palindrome (55644655).

The spelling of 20622053 in words is "twenty million, six hundred twenty-two thousand, fifty-three".