20469141 has 24 divisors (see below), whose sum is σ = 36863424. Its totient is φ = 10632960.

The previous prime is 20469133. The next prime is 20469151. The reversal of 20469141 is 14196402.

It is not a de Polignac number, because 20469141 - 2³ = 20469133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20469101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14076 + ... + 15461.

It is an arithmetic number, because the mean of its divisors is an integer number (1535976).

Almost surely, 2^20469141 is an apocalyptic number.

20469141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20469141 is a deficient number, since it is larger than the sum of its proper divisors (16394283).

20469141 is a wasteful number, since it uses less digits than its factorization.

20469141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29561 (or 29558 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20469141 is about 4524.2834791821. The cubic root of 20469141 is about 273.5477871151.

The spelling of 20469141 in words is "twenty million, four hundred sixty-nine thousand, one hundred forty-one".