20757395071612 has 24 divisors (see below), whose sum is σ = 36735202561680. Its totient is φ = 10261633134720.

The previous prime is 20757395071591. The next prime is 20757395071697. The reversal of 20757395071612 is 21617059375702.

It is a congruent 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, 6929083 + ... + 9461869.

It is an arithmetic number, because the mean of its divisors is an integer number (1530633440070).

Almost surely, 2^{20757395071612} is an apocalyptic number.

It is an amenable number.

20757395071612 is a deficient number, since it is larger than the sum of its proper divisors (15977807490068).

20757395071612 is a wasteful number, since it uses less digits than its factorization.

20757395071612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555901 (or 2555899 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 55.

The spelling of 20757395071612 in words is "twenty trillion, seven hundred fifty-seven billion, three hundred ninety-five million, seventy-one thousand, six hundred twelve".