20151063 has 6 divisors (see below), whose sum is σ = 29107104. Its totient is φ = 13434036.

The previous prime is 20151041. The next prime is 20151067. The reversal of 20151063 is 36015102.

It is not a de Polignac number, because 20151063 - 2⁵ = 20151031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20151067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1119495 + ... + 1119512.

It is an arithmetic number, because the mean of its divisors is an integer number (4851184).

Almost surely, 2^20151063 is an apocalyptic number.

20151063 is a deficient number, since it is larger than the sum of its proper divisors (8956041).

20151063 is a wasteful number, since it uses less digits than its factorization.

20151063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239013 (or 2239010 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 20151063 is about 4488.9935397592. The cubic root of 20151063 is about 272.1234616494.

Adding to 20151063 its reverse (36015102), we get a palindrome (56166165).

The spelling of 20151063 in words is "twenty million, one hundred fifty-one thousand, sixty-three".