20858543030 has 32 divisors (see below), whose sum is σ = 40460279328. Its totient is φ = 7696512000.

The previous prime is 20858542981. The next prime is 20858543033. The reversal of 20858543030 is 3034585802.

20858543030 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20858543033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146630 + ... + 251430.

It is an arithmetic number, because the mean of its divisors is an integer number (1264383729).

Almost surely, 2^20858543030 is an apocalyptic number.

20858543030 is a deficient number, since it is larger than the sum of its proper divisors (19601736298).

20858543030 is a wasteful number, since it uses less digits than its factorization.

20858543030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106352.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 20858543030 in words is "twenty billion, eight hundred fifty-eight million, five hundred forty-three thousand, thirty".