20347114544 has 10 divisors (see below), whose sum is σ = 39422534460. Its totient is φ = 10173557264.

The previous prime is 20347114537. The next prime is 20347114603. The reversal of 20347114544 is 44541174302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635847314 + ... + 635847345.

It is an arithmetic number, because the mean of its divisors is an integer number (3942253446).

Almost surely, 2^20347114544 is an apocalyptic number.

It is an amenable number.

20347114544 is a deficient number, since it is larger than the sum of its proper divisors (19075419916).

20347114544 is a wasteful number, since it uses less digits than its factorization.

20347114544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271694667 (or 1271694661 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 20347114544 its reverse (44541174302), we get a palindrome (64888288846).

The spelling of 20347114544 in words is "twenty billion, three hundred forty-seven million, one hundred fourteen thousand, five hundred forty-four".