20262089742 has 16 divisors (see below), whose sum is σ = 40570083840. Its totient is φ = 6746379192.

The previous prime is 20262089719. The next prime is 20262089759. The reversal of 20262089742 is 24798026202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20262089694 and 20262089703.

It is a congruent number.

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, 1906942 + ... + 1917537.

It is an arithmetic number, because the mean of its divisors is an integer number (2535630240).

Almost surely, 2^20262089742 is an apocalyptic number.

20262089742 is an abundant number, since it is smaller than the sum of its proper divisors (20307994098).

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

20262089742 is a wasteful number, since it uses less digits than its factorization.

20262089742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825367.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 20262089742 in words is "twenty billion, two hundred sixty-two million, eighty-nine thousand, seven hundred forty-two".