20001053 has 16 divisors (see below), whose sum is σ = 22581120. Its totient is φ = 17620416.

The previous prime is 20001031. The next prime is 20001067. The reversal of 20001053 is 35010002.

It is a cyclic number.

It is not a de Polignac number, because 20001053 - 2¹⁴ = 19984669 is a prime.

It is a super-2 number, since 2×20001053² = 800084242217618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15551 + ... + 16787.

It is an arithmetic number, because the mean of its divisors is an integer number (1411320).

Almost surely, 2^20001053 is an apocalyptic number.

20001053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20001053 is a deficient number, since it is larger than the sum of its proper divisors (2580067).

20001053 is a wasteful number, since it uses less digits than its factorization.

20001053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 20001053 is about 4472.2536824290. The cubic root of 20001053 is about 271.4465253788.

Adding to 20001053 its reverse (35010002), we get a palindrome (55011055).

The spelling of 20001053 in words is "twenty million, one thousand, fifty-three".