20630151424 has 81 divisors (see below), whose sum is σ = 42295961071. Its totient is φ = 10042749440.

The previous prime is 20630151413. The next prime is 20630151427. The reversal of 20630151424 is 42415103602.

The square root of 20630151424 is 143632.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20630151392 and 20630151401.

It is not an unprimeable number, because it can be changed into a prime (20630151427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 108011169 + ... + 108011359.

Almost surely, 2^20630151424 is an apocalyptic number.

20630151424 is the 143632-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20630151424

20630151424 is an abundant number, since it is smaller than the sum of its proper divisors (21665809647).

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

20630151424 is an frugal number, since it uses more digits than its factorization.

20630151424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 20630151424 in words is "twenty billion, six hundred thirty million, one hundred fifty-one thousand, four hundred twenty-four".