20081449124 has 24 divisors (see below), whose sum is σ = 38965797696. Its totient is φ = 8978292000.

The previous prime is 20081449099. The next prime is 20081449133. The reversal of 20081449124 is 42194418002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3738272 + ... + 3743639.

It is an arithmetic number, because the mean of its divisors is an integer number (1623574904).

Almost surely, 2^20081449124 is an apocalyptic number.

It is an amenable number.

20081449124 is a deficient number, since it is larger than the sum of its proper divisors (18884348572).

20081449124 is a wasteful number, since it uses less digits than its factorization.

20081449124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481987 (or 7481985 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 20081449124 in words is "twenty billion, eighty-one million, four hundred forty-nine thousand, one hundred twenty-four".