20425150554 has 8 divisors (see below), whose sum is σ = 40850301120. Its totient is φ = 6808383516.

The previous prime is 20425150541. The next prime is 20425150583. The reversal of 20425150554 is 45505152402.

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

20425150554 is an admirable number.

It is a Curzon 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, 1702095874 + ... + 1702095885.

It is an arithmetic number, because the mean of its divisors is an integer number (5106287640).

Almost surely, 2^20425150554 is an apocalyptic number.

20425150554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20425150554 is a wasteful number, since it uses less digits than its factorization.

20425150554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404191764.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 20425150554 in words is "twenty billion, four hundred twenty-five million, one hundred fifty thousand, five hundred fifty-four".