20325555454 has 8 divisors (see below), whose sum is σ = 30488938200. Its totient is φ = 10162576056.

The previous prime is 20325555413. The next prime is 20325555499. The reversal of 20325555454 is 45455552302.

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

It is a super-2 number, since 2×20325555454² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 145597 + ... + 248695.

It is an arithmetic number, because the mean of its divisors is an integer number (3811117275).

Almost surely, 2^20325555454 is an apocalyptic number.

20325555454 is a deficient number, since it is larger than the sum of its proper divisors (10163382746).

20325555454 is a wasteful number, since it uses less digits than its factorization.

20325555454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201674.

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 20325555454 in words is "twenty billion, three hundred twenty-five million, five hundred fifty-five thousand, four hundred fifty-four".