20630401194 has 32 divisors (see below), whose sum is σ = 44440853184. Its totient is φ = 6346938240.

The previous prime is 20630401193. The next prime is 20630401199. The reversal of 20630401194 is 49110403602.

It is a super-3 number, since 3×20630401194³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20630401193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761302 + ... + 787934.

It is an arithmetic number, because the mean of its divisors is an integer number (1388776662).

Almost surely, 2^20630401194 is an apocalyptic number.

20630401194 is an abundant number, since it is smaller than the sum of its proper divisors (23810451990).

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

20630401194 is a wasteful number, since it uses less digits than its factorization.

20630401194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36582.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 20630401194 its reverse (49110403602), we get a palindrome (69740804796).

The spelling of 20630401194 in words is "twenty billion, six hundred thirty million, four hundred one thousand, one hundred ninety-four".