20119356 has 72 divisors (see below), whose sum is σ = 53477424. Its totient is φ = 6370560.

The previous prime is 20119349. The next prime is 20119369. The reversal of 20119356 is 65391102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63310 + ... + 63626.

It is an arithmetic number, because the mean of its divisors is an integer number (742742).

Almost surely, 2^20119356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20119356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26738712).

20119356 is an abundant number, since it is smaller than the sum of its proper divisors (33358068).

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

20119356 is a wasteful number, since it uses less digits than its factorization.

20119356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 20119356 is about 4485.4605114748. The cubic root of 20119356 is about 271.9806611106.

The spelling of 20119356 in words is "twenty million, one hundred nineteen thousand, three hundred fifty-six".