20150396 has 24 divisors (see below), whose sum is σ = 40427520. Its totient is φ = 8608752.

The previous prime is 20150381. The next prime is 20150399. The reversal of 20150396 is 69305102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9785 + ... + 11663.

It is an arithmetic number, because the mean of its divisors is an integer number (1684480).

Almost surely, 2^20150396 is an apocalyptic number.

It is an amenable number.

20150396 is an abundant number, since it is smaller than the sum of its proper divisors (20277124).

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

20150396 is a wasteful number, since it uses less digits than its factorization.

20150396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273 (or 2271 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 20150396 is about 4488.9192463220. The cubic root of 20150396 is about 272.1204591883.

Adding to 20150396 its reverse (69305102), we get a palindrome (89455498).

The spelling of 20150396 in words is "twenty million, one hundred fifty thousand, three hundred ninety-six".