20154601422 has 48 divisors (see below), whose sum is σ = 44435102400. Its totient is φ = 6600484800.

The previous prime is 20154601421. The next prime is 20154601477. The reversal of 20154601422 is 22410645102.

20154601422 is a `hidden beast` number, since 2 + 0 + 1 + 54 + 601 + 4 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154601421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990204 + ... + 1010352.

It is an arithmetic number, because the mean of its divisors is an integer number (925731300).

Almost surely, 2^20154601422 is an apocalyptic number.

20154601422 is an abundant number, since it is smaller than the sum of its proper divisors (24280500978).

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

20154601422 is a wasteful number, since it uses less digits than its factorization.

20154601422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21129 (or 21126 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 20154601422 in words is "twenty billion, one hundred fifty-four million, six hundred one thousand, four hundred twenty-two".