20341054578 has 16 divisors (see below), whose sum is σ = 43811502336. Its totient is φ = 6258786000.

The previous prime is 20341054553. The next prime is 20341054579. The reversal of 20341054578 is 87545014302.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (20341054579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130391298 + ... + 130391453.

It is an arithmetic number, because the mean of its divisors is an integer number (2738218896).

Almost surely, 2^20341054578 is an apocalyptic number.

20341054578 is an abundant number, since it is smaller than the sum of its proper divisors (23470447758).

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

20341054578 is a wasteful number, since it uses less digits than its factorization.

20341054578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260782769.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 20341054578 in words is "twenty billion, three hundred forty-one million, fifty-four thousand, five hundred seventy-eight".