20209484346 has 32 divisors (see below), whose sum is σ = 40758681600. Its totient is φ = 6679932336.

The previous prime is 20209484341. The next prime is 20209484357. The reversal of 20209484346 is 64348490202.

It is a junction number, because it is equal to n+sod(n) for n = 20209484298 and 20209484307.

It is not an unprimeable number, because it can be changed into a prime (20209484341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721605 + ... + 1733303.

It is an arithmetic number, because the mean of its divisors is an integer number (1273708800).

Almost surely, 2^20209484346 is an apocalyptic number.

20209484346 is an abundant number, since it is smaller than the sum of its proper divisors (20549197254).

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

20209484346 is a wasteful number, since it uses less digits than its factorization.

20209484346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 20209484346 in words is "twenty billion, two hundred nine million, four hundred eighty-four thousand, three hundred forty-six".