20630131431362 has 4 divisors (see below), whose sum is σ = 30945197147046. Its totient is φ = 10315065715680.

The previous prime is 20630131431347. The next prime is 20630131431373. The reversal of 20630131431362 is 26313413103602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18883639671961 + 1746491759401 = 4345531^2 + 1321549^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5157532857839 + ... + 5157532857842.

Almost surely, 2^{20630131431362} is an apocalyptic number.

20630131431362 is a deficient number, since it is larger than the sum of its proper divisors (10315065715684).

20630131431362 is a wasteful number, since it uses less digits than its factorization.

20630131431362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315065715683.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 20630131431362 its reverse (26313413103602), we get a palindrome (46943544534964).

The spelling of 20630131431362 in words is "twenty trillion, six hundred thirty billion, one hundred thirty-one million, four hundred thirty-one thousand, three hundred sixty-two".