420829898911320 has 128 divisors (see below), whose sum is σ = 1336761746380800. Its totient is φ = 105619424925696.

The previous prime is 420829898911291. The next prime is 420829898911339. The reversal of 420829898911320 is 23119898928024.

It is a Cunningham number, because it is equal to 20514139²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409769907 + ... + 410795613.

It is an arithmetic number, because the mean of its divisors is an integer number (10443451143600).

Almost surely, 2^{420829898911320} is an apocalyptic number.

420829898911320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420829898911320 is an abundant number, since it is smaller than the sum of its proper divisors (915931847469480).

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

420829898911320 is a wasteful number, since it uses less digits than its factorization.

420829898911320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226857 (or 1226853 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 66.

The spelling of 420829898911320 in words is "four hundred twenty trillion, eight hundred twenty-nine billion, eight hundred ninety-eight million, nine hundred eleven thousand, three hundred twenty".