20407150 has 24 divisors (see below), whose sum is σ = 38484144. Its totient is φ = 8049600.

The previous prime is 20407129. The next prime is 20407181. The reversal of 20407150 is 5170402.

It is a super-2 number, since 2×20407150² = 832903542245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 855 + ... + 6445.

It is an arithmetic number, because the mean of its divisors is an integer number (1603506).

Almost surely, 2^20407150 is an apocalyptic number.

20407150 is a deficient number, since it is larger than the sum of its proper divisors (18076994).

20407150 is a wasteful number, since it uses less digits than its factorization.

20407150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20407150 is about 4517.4273652157. The cubic root of 20407150 is about 273.2713604625.

Adding to 20407150 its reverse (5170402), we get a palindrome (25577552).

The spelling of 20407150 in words is "twenty million, four hundred seven thousand, one hundred fifty".