20145010483998 has 48 divisors (see below), whose sum is σ = 44255135242656. Its totient is φ = 6621564983040.

The previous prime is 20145010483987. The next prime is 20145010484003. The reversal of 20145010483998 is 89938401054102.

It is a happy number.

20145010483998 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 501 + 0 + 48 + 3 + 9 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4322578 + ... + 7679498.

It is an arithmetic number, because the mean of its divisors is an integer number (921981984222).

Almost surely, 2^{20145010483998} is an apocalyptic number.

20145010483998 is an abundant number, since it is smaller than the sum of its proper divisors (24110124758658).

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

20145010483998 is a wasteful number, since it uses less digits than its factorization.

20145010483998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361569 (or 3361566 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 20145010483998 in words is "twenty trillion, one hundred forty-five billion, ten million, four hundred eighty-three thousand, nine hundred ninety-eight".