20205154334 has 8 divisors (see below), whose sum is σ = 30648268080. Its totient is φ = 9989064976.

The previous prime is 20205154309. The next prime is 20205154351. The reversal of 20205154334 is 43345150202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20205154297 and 20205154306.

It is a congruent number.

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, 56755874 + ... + 56756229.

It is an arithmetic number, because the mean of its divisors is an integer number (3831033510).

Almost surely, 2^20205154334 is an apocalyptic number.

20205154334 is a deficient number, since it is larger than the sum of its proper divisors (10443113746).

20205154334 is a wasteful number, since it uses less digits than its factorization.

20205154334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113512194.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 20205154334 in words is "twenty billion, two hundred five million, one hundred fifty-four thousand, three hundred thirty-four".