20694854208000 has 1280 divisors, whose sum is σ = 81101916859392. Its totient is φ = 4582932480000.

The previous prime is 20694854207987. The next prime is 20694854208029. The reversal of 20694854208000 is 80245849602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13973567260 + ... + 13973568740.

Almost surely, 2^{20694854208000} is an apocalyptic number.

20694854208000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20694854208000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40550958429696).

20694854208000 is an abundant number, since it is smaller than the sum of its proper divisors (60407062651392).

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

20694854208000 is a wasteful number, since it uses less digits than its factorization.

20694854208000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 20694854208000 in words is "twenty trillion, six hundred ninety-four billion, eight hundred fifty-four million, two hundred eight thousand".