20131021414 has 8 divisors (see below), whose sum is σ = 34510322448. Its totient is φ = 8627580600.

The previous prime is 20131021387. The next prime is 20131021433. The reversal of 20131021414 is 41412013102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20131021391 and 20131021400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718965037 + ... + 718965064.

It is an arithmetic number, because the mean of its divisors is an integer number (4313790306).

Almost surely, 2^20131021414 is an apocalyptic number.

20131021414 is a deficient number, since it is larger than the sum of its proper divisors (14379301034).

20131021414 is a wasteful number, since it uses less digits than its factorization.

20131021414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437930110.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20131021414 its reverse (41412013102), we get a palindrome (61543034516).

The spelling of 20131021414 in words is "twenty billion, one hundred thirty-one million, twenty-one thousand, four hundred fourteen".