20943053 has 8 divisors (see below), whose sum is σ = 21461760. Its totient is φ = 20429920.

The previous prime is 20943049. The next prime is 20943067. The reversal of 20943053 is 35034902.

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 20943053 - 2² = 20943049 is a prime.

It is a super-2 number, since 2×20943053² = 877222937921618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20943023) 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, 6788 + ... + 9378.

It is an arithmetic number, because the mean of its divisors is an integer number (2682720).

Almost surely, 2^20943053 is an apocalyptic number.

It is an amenable number.

20943053 is a deficient number, since it is larger than the sum of its proper divisors (518707).

20943053 is a wasteful number, since it uses less digits than its factorization.

20943053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 20943053 is about 4576.3580498034. The cubic root of 20943053 is about 275.6428070245.

Adding to 20943053 its reverse (35034902), we get a palindrome (55977955).

The spelling of 20943053 in words is "twenty million, nine hundred forty-three thousand, fifty-three".