20858006130 has 128 divisors (see below), whose sum is σ = 55316701440. Its totient is φ = 5000970240.

The previous prime is 20858006123. The next prime is 20858006131. The reversal of 20858006130 is 3160085802.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20858006091 and 20858006100.

It is not an unprimeable number, because it can be changed into a prime (20858006131) 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, 6857410 + ... + 6860450.

It is an arithmetic number, because the mean of its divisors is an integer number (432161730).

Almost surely, 2^20858006130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20858006130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27658350720).

20858006130 is an abundant number, since it is smaller than the sum of its proper divisors (34458695310).

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

20858006130 is a wasteful number, since it uses less digits than its factorization.

20858006130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 20858006130 in words is "twenty billion, eight hundred fifty-eight million, six thousand, one hundred thirty".