20262541042 has 8 divisors (see below), whose sum is σ = 30821893632. Its totient is φ = 9988576500.

The previous prime is 20262541031. The next prime is 20262541063. The reversal of 20262541042 is 24014526202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20262541042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71346834 + ... + 71347117.

It is an arithmetic number, because the mean of its divisors is an integer number (3852736704).

Almost surely, 2^20262541042 is an apocalyptic number.

20262541042 is a deficient number, since it is larger than the sum of its proper divisors (10559352590).

20262541042 is a wasteful number, since it uses less digits than its factorization.

20262541042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142694024.

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 20262541042 in words is "twenty billion, two hundred sixty-two million, five hundred forty-one thousand, forty-two".