20606000442 has 16 divisors (see below), whose sum is σ = 41364077952. Its totient is φ = 6843320640.

The previous prime is 20606000423. The next prime is 20606000461. The reversal of 20606000442 is 24400060602.

It is an interprime number because it is at equal distance from previous prime (20606000423) and next prime (20606000461).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6334783 + ... + 6338034.

It is an arithmetic number, because the mean of its divisors is an integer number (2585254872).

Almost surely, 2^20606000442 is an apocalyptic number.

20606000442 is an abundant number, since it is smaller than the sum of its proper divisors (20758077510).

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

20606000442 is a wasteful number, since it uses less digits than its factorization.

20606000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12673093.

The product of its (nonzero) digits is 2304, while the sum is 24.

The spelling of 20606000442 in words is "twenty billion, six hundred six million, four hundred forty-two", and thus it is an aban number.