20120151154 has 16 divisors (see below), whose sum is σ = 31913634816. Its totient is φ = 9498103200.

The previous prime is 20120151143. The next prime is 20120151167. The reversal of 20120151154 is 45115102102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3955002 + ... + 3960085.

It is an arithmetic number, because the mean of its divisors is an integer number (1994602176).

Almost surely, 2^20120151154 is an apocalyptic number.

20120151154 is a deficient number, since it is larger than the sum of its proper divisors (11793483662).

20120151154 is a wasteful number, since it uses less digits than its factorization.

20120151154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7915161.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 20120151154 its reverse (45115102102), we get a palindrome (65235253256).

The spelling of 20120151154 in words is "twenty billion, one hundred twenty million, one hundred fifty-one thousand, one hundred fifty-four".