20846269398 has 8 divisors (see below), whose sum is σ = 41692538808. Its totient is φ = 6948756464.

The previous prime is 20846269343. The next prime is 20846269399. The reversal of 20846269398 is 89396264802.

It is a sphenic number, since it is the product of 3 distinct primes.

20846269398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20846269399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737189111 + ... + 1737189122.

It is an arithmetic number, because the mean of its divisors is an integer number (5211567351).

Almost surely, 2^20846269398 is an apocalyptic number.

20846269398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20846269398 is a wasteful number, since it uses less digits than its factorization.

20846269398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474378238.

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 20846269398 in words is "twenty billion, eight hundred forty-six million, two hundred sixty-nine thousand, three hundred ninety-eight".