20351196 has 24 divisors (see below), whose sum is σ = 52762640. Its totient is φ = 6783696.

The previous prime is 20351173. The next prime is 20351207. The reversal of 20351196 is 69115302.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94111 + ... + 94326.

Almost surely, 2^20351196 is an apocalyptic number.

It is an amenable number.

20351196 is an abundant number, since it is smaller than the sum of its proper divisors (32411444).

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

20351196 is a wasteful number, since it uses less digits than its factorization.

20351196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188450 (or 188442 counting only the distinct ones).

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

The square root of 20351196 is about 4511.2299874868. The cubic root of 20351196 is about 273.0213725569.

Adding to 20351196 its reverse (69115302), we get a palindrome (89466498).

The spelling of 20351196 in words is "twenty million, three hundred fifty-one thousand, one hundred ninety-six".