20885346154 has 8 divisors (see below), whose sum is σ = 31520216160. Its totient is φ = 10378607436.

The previous prime is 20885346137. The next prime is 20885346161. The reversal of 20885346154 is 45164358802.

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

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, 32032414 + ... + 32033065.

It is an arithmetic number, because the mean of its divisors is an integer number (3940027020).

Almost surely, 2^20885346154 is an apocalyptic number.

20885346154 is a deficient number, since it is larger than the sum of its proper divisors (10634870006).

20885346154 is a wasteful number, since it uses less digits than its factorization.

20885346154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64065644.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 20885346154 in words is "twenty billion, eight hundred eighty-five million, three hundred forty-six thousand, one hundred fifty-four".