20146750720356 has 36 divisors (see below), whose sum is σ = 50903328748272. Its totient is φ = 6199000221024.

The previous prime is 20146750720331. The next prime is 20146750720381. The reversal of 20146750720356 is 65302705764102.

It is an interprime number because it is at equal distance from previous prime (20146750720331) and next prime (20146750720381).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4967145586 + ... + 4967149641.

Almost surely, 2^{20146750720356} is an apocalyptic number.

20146750720356 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20146750720356 is an abundant number, since it is smaller than the sum of its proper divisors (30756578027916).

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

20146750720356 is a wasteful number, since it uses less digits than its factorization.

20146750720356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9934295260 (or 9934295245 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 20146750720356 in words is "twenty trillion, one hundred forty-six billion, seven hundred fifty million, seven hundred twenty thousand, three hundred fifty-six".