20035261544 has 16 divisors (see below), whose sum is σ = 39199425120. Its totient is φ = 9582081520.

The previous prime is 20035261513. The next prime is 20035261577. The reversal of 20035261544 is 44516253002.

It is a self number, because there is not a number n which added to its sum of digits gives 20035261544.

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, 54443462 + ... + 54443829.

It is an arithmetic number, because the mean of its divisors is an integer number (2449964070).

Almost surely, 2^20035261544 is an apocalyptic number.

It is an amenable number.

20035261544 is a deficient number, since it is larger than the sum of its proper divisors (19164163576).

20035261544 is a wasteful number, since it uses less digits than its factorization.

20035261544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108887320 (or 108887316 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 20035261544 in words is "twenty billion, thirty-five million, two hundred sixty-one thousand, five hundred forty-four".