20361051 has 20 divisors (see below), whose sum is σ = 31162824. Its totient is φ = 13240800.

The previous prime is 20361037. The next prime is 20361101. The reversal of 20361051 is 15016302.

20361051 is a `hidden beast` number, since 2 + 0 + 3 + 610 + 51 = 666.

It is not a de Polignac number, because 20361051 - 2⁹ = 20360539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20361031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 256 + ... + 6386.

Almost surely, 2^20361051 is an apocalyptic number.

20361051 is a deficient number, since it is larger than the sum of its proper divisors (10801773).

20361051 is an equidigital number, since it uses as much as digits as its factorization.

20361051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184 (or 6175 counting only the distinct ones).

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

The square root of 20361051 is about 4512.3221294584. The cubic root of 20361051 is about 273.0654353470.

Adding to 20361051 its reverse (15016302), we get a palindrome (35377353).

The spelling of 20361051 in words is "twenty million, three hundred sixty-one thousand, fifty-one".