20340150 has 24 divisors (see below), whose sum is σ = 50443944. Its totient is φ = 5424000.

The previous prime is 20340101. The next prime is 20340167. The reversal of 20340150 is 5104302.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 67651 + ... + 67950.

It is an arithmetic number, because the mean of its divisors is an integer number (2101831).

Almost surely, 2^20340150 is an apocalyptic number.

20340150 is an abundant number, since it is smaller than the sum of its proper divisors (30103794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20340150 is a wasteful number, since it uses less digits than its factorization.

20340150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135616 (or 135611 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20340150 is about 4510.0055432338. The cubic root of 20340150 is about 272.9719677640.

Adding to 20340150 its reverse (5104302), we get a palindrome (25444452).

The spelling of 20340150 in words is "twenty million, three hundred forty thousand, one hundred fifty".