20480437394 has 8 divisors (see below), whose sum is σ = 31018915200. Its totient is φ = 10140798996.

The previous prime is 20480437379. The next prime is 20480437501. The reversal of 20480437394 is 49373408402.

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

It is a super-2 number, since 2×20480437394² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49709594 + ... + 49710005.

It is an arithmetic number, because the mean of its divisors is an integer number (3877364400).

Almost surely, 2^20480437394 is an apocalyptic number.

20480437394 is a deficient number, since it is larger than the sum of its proper divisors (10538477806).

20480437394 is a wasteful number, since it uses less digits than its factorization.

20480437394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99419704.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 20480437394 in words is "twenty billion, four hundred eighty million, four hundred thirty-seven thousand, three hundred ninety-four".