20630054015 has 8 divisors (see below), whose sum is σ = 24756920448. Its totient is φ = 16503472800.

The previous prime is 20630053981. The next prime is 20630054021. The reversal of 20630054015 is 51045003602.

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

It is a de Polignac number, because none of the positive numbers 2^k-20630054015 is a prime.

It is a Duffinian number.

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, 150629 + ... + 252881.

It is an arithmetic number, because the mean of its divisors is an integer number (3094615056).

Almost surely, 2^20630054015 is an apocalyptic number.

20630054015 is a deficient number, since it is larger than the sum of its proper divisors (4126866433).

20630054015 is a wasteful number, since it uses less digits than its factorization.

20630054015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142609.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20630054015 its reverse (51045003602), we get a palindrome (71675057617).

The spelling of 20630054015 in words is "twenty billion, six hundred thirty million, fifty-four thousand, fifteen".