20726150 has 24 divisors (see below), whose sum is σ = 40581480. Its totient is φ = 7853760.

The previous prime is 20726149. The next prime is 20726171. The reversal of 20726150 is 5162702.

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, 9959 + ... + 11858.

It is an arithmetic number, because the mean of its divisors is an integer number (1690895).

Almost surely, 2^20726150 is an apocalyptic number.

20726150 is a deficient number, since it is larger than the sum of its proper divisors (19855330).

20726150 is a wasteful number, since it uses less digits than its factorization.

20726150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21848 (or 21843 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 20726150 is about 4552.5981592932. The cubic root of 20726150 is about 274.6879104153.

Adding to 20726150 its reverse (5162702), we get a palindrome (25888852).

The spelling of 20726150 in words is "twenty million, seven hundred twenty-six thousand, one hundred fifty".