20629113796278 has 160 divisors (see below), whose sum is σ = 52725304979424. Its totient is φ = 5972134468608.

The previous prime is 20629113796267. The next prime is 20629113796331. The reversal of 20629113796278 is 87269731192602.

20629113796278 is a `hidden beast` number, since 2 + 0 + 6 + 291 + 1 + 3 + 79 + 6 + 278 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 114010576 + ... + 114191372.

Almost surely, 2^{20629113796278} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20629113796278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26362652489712).

20629113796278 is an abundant number, since it is smaller than the sum of its proper divisors (32096191183146).

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

20629113796278 is a wasteful number, since it uses less digits than its factorization.

20629113796278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184028 (or 184019 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 20629113796278 in words is "twenty trillion, six hundred twenty-nine billion, one hundred thirteen million, seven hundred ninety-six thousand, two hundred seventy-eight".