20154144054 has 24 divisors (see below), whose sum is σ = 44305805880. Its totient is φ = 6107316160.

The previous prime is 20154144029. The next prime is 20154144061. The reversal of 20154144054 is 45044145102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13879539 + ... + 13880990.

It is an arithmetic number, because the mean of its divisors is an integer number (1846075245).

Almost surely, 2^20154144054 is an apocalyptic number.

20154144054 is an abundant number, since it is smaller than the sum of its proper divisors (24151661826).

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

20154144054 is a wasteful number, since it uses less digits than its factorization.

20154144054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27760556 (or 27760545 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 20154144054 its reverse (45044145102), we get a palindrome (65198289156).

The spelling of 20154144054 in words is "twenty billion, one hundred fifty-four million, one hundred forty-four thousand, fifty-four".