20630000126 has 4 divisors (see below), whose sum is σ = 30945000192. Its totient is φ = 10315000062.

The previous prime is 20630000099. The next prime is 20630000129. The reversal of 20630000126 is 62100003602.

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

It is a junction number, because it is equal to n+sod(n) for n = 20630000098 and 20630000107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20630000129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5157500030 + ... + 5157500033.

It is an arithmetic number, because the mean of its divisors is an integer number (7736250048).

Almost surely, 2^20630000126 is an apocalyptic number.

20630000126 is a deficient number, since it is larger than the sum of its proper divisors (10315000066).

20630000126 is a wasteful number, since it uses less digits than its factorization.

20630000126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315000065.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20630000126 its reverse (62100003602), we get a palindrome (82730003728).

The spelling of 20630000126 in words is "twenty billion, six hundred thirty million, one hundred twenty-six", and thus it is an aban number.