20286051042 has 32 divisors (see below), whose sum is σ = 40821431040. Its totient is φ = 6720552720.

The previous prime is 20286051041. The next prime is 20286051061. The reversal of 20286051042 is 24015068202.

It is not an unprimeable number, because it can be changed into a prime (20286051041) 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, 924733 + ... + 946415.

It is an arithmetic number, because the mean of its divisors is an integer number (1275669720).

Almost surely, 2^20286051042 is an apocalyptic number.

20286051042 is an abundant number, since it is smaller than the sum of its proper divisors (20535379998).

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

20286051042 is a wasteful number, since it uses less digits than its factorization.

20286051042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22638.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 20286051042 in words is "twenty billion, two hundred eighty-six million, fifty-one thousand, forty-two".