20341451237678 has 4 divisors (see below), whose sum is σ = 30512176856520. Its totient is φ = 10170725618838.

The previous prime is 20341451237677. The next prime is 20341451237693. The reversal of 20341451237678 is 87673215414302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341451237677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085362809418 + ... + 5085362809421.

It is an arithmetic number, because the mean of its divisors is an integer number (7628044214130).

Almost surely, 2^{20341451237678} is an apocalyptic number.

20341451237678 is a deficient number, since it is larger than the sum of its proper divisors (10170725618842).

20341451237678 is a wasteful number, since it uses less digits than its factorization.

20341451237678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170725618841.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 20341451237678 in words is "twenty trillion, three hundred forty-one billion, four hundred fifty-one million, two hundred thirty-seven thousand, six hundred seventy-eight".