20420148754 has 8 divisors (see below), whose sum is σ = 30663555840. Its totient is φ = 10198963476.

The previous prime is 20420148743. The next prime is 20420148821. The reversal of 20420148754 is 45784102402.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5553154 + ... + 5556829.

It is an arithmetic number, because the mean of its divisors is an integer number (3832944480).

Almost surely, 2^20420148754 is an apocalyptic number.

20420148754 is a deficient number, since it is larger than the sum of its proper divisors (10243407086).

20420148754 is a wasteful number, since it uses less digits than its factorization.

20420148754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110904.

The product of its (nonzero) digits is 71680, while the sum is 37.

The spelling of 20420148754 in words is "twenty billion, four hundred twenty million, one hundred forty-eight thousand, seven hundred fifty-four".