20206130490 has 288 divisors, whose sum is σ = 67223520000. Its totient is φ = 4172007168.

The previous prime is 20206130489. The next prime is 20206130531. The reversal of 20206130490 is 9403160202.

20206130490 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 613 + 0 + 49 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2690761 + ... + 2698259.

It is an arithmetic number, because the mean of its divisors is an integer number (233415000).

Almost surely, 2^20206130490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20206130490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33611760000).

20206130490 is an abundant number, since it is smaller than the sum of its proper divisors (47017389510).

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

20206130490 is a wasteful number, since it uses less digits than its factorization.

20206130490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7586 (or 7576 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 20206130490 its reverse (9403160202), we get a palindrome (29609290692).

The spelling of 20206130490 in words is "twenty billion, two hundred six million, one hundred thirty thousand, four hundred ninety".