136630020 has 192 divisors, whose sum is σ = 435456000. Its totient is φ = 31825920.

The previous prime is 136630009. The next prime is 136630027. The reversal of 136630020 is 20036631.

It is not an unprimeable number, because it can be changed into a prime (136630027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 916906 + ... + 917054.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^136630020 is an apocalyptic number.

136630020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136630020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217728000).

136630020 is an abundant number, since it is smaller than the sum of its proper divisors (298825980).

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

136630020 is a wasteful number, since it uses less digits than its factorization.

136630020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 136630020 is about 11688.8844634550. The cubic root of 136630020 is about 515.0491925235.

Adding to 136630020 its reverse (20036631), we get a palindrome (156666651).

The spelling of 136630020 in words is "one hundred thirty-six million, six hundred thirty thousand, twenty".