20630254062 has 32 divisors (see below), whose sum is σ = 45017740800. Its totient is φ = 6250720320.

The previous prime is 20630254039. The next prime is 20630254063. The reversal of 20630254062 is 26045203602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20630254063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579963 + ... + 614505.

It is an arithmetic number, because the mean of its divisors is an integer number (1406804400).

Almost surely, 2^20630254062 is an apocalyptic number.

20630254062 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20630254062 is an abundant number, since it is smaller than the sum of its proper divisors (24387486738).

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

20630254062 is a wasteful number, since it uses less digits than its factorization.

20630254062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43608.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 20630254062 its reverse (26045203602), we get a palindrome (46675457664).

The spelling of 20630254062 in words is "twenty billion, six hundred thirty million, two hundred fifty-four thousand, sixty-two".