20022541 has 16 divisors (see below), whose sum is σ = 25061760. Its totient is φ = 15540480.

The previous prime is 20022529. The next prime is 20022547. The reversal of 20022541 is 14522002.

It is a cyclic number.

It is not a de Polignac number, because 20022541 - 2¹³ = 20014349 is a prime.

It is a Duffinian number.

20022541 is a modest number, since divided by 2541 gives 2002 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34905 + ... + 35473.

It is an arithmetic number, because the mean of its divisors is an integer number (1566360).

Almost surely, 2^20022541 is an apocalyptic number.

It is an amenable number.

20022541 is a deficient number, since it is larger than the sum of its proper divisors (5039219).

20022541 is a wasteful number, since it uses less digits than its factorization.

20022541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20022541 is about 4474.6554057268. The cubic root of 20022541 is about 271.5436995185.

Adding to 20022541 its reverse (14522002), we get a palindrome (34544543).

The spelling of 20022541 in words is "twenty million, twenty-two thousand, five hundred forty-one".