20078296846 has 4 divisors (see below), whose sum is σ = 30117445272. Its totient is φ = 10039148422.

The previous prime is 20078296831. The next prime is 20078296871. The reversal of 20078296846 is 64869287002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20078296793 and 20078296802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5019574210 + ... + 5019574213.

It is an arithmetic number, because the mean of its divisors is an integer number (7529361318).

Almost surely, 2^20078296846 is an apocalyptic number.

20078296846 is a deficient number, since it is larger than the sum of its proper divisors (10039148426).

20078296846 is a wasteful number, since it uses less digits than its factorization.

20078296846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10039148425.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 20078296846 in words is "twenty billion, seventy-eight million, two hundred ninety-six thousand, eight hundred forty-six".