20010287637796 has 27 divisors (see below), whose sum is σ = 35175189603729. Its totient is φ = 9960433325328.

The previous prime is 20010287637779. The next prime is 20010287637911. The reversal of 20010287637796 is 69773678201002.

The square root of 20010287637796 is 4473286.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18636609876196 + 1373677761600 = 4317014^2 + 1172040^2 .

It is a super-2 number, since 2×20010287637796² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20010287637796.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2048760105 + ... + 2048769871.

Almost surely, 2^{20010287637796} is an apocalyptic number.

20010287637796 is the 4473286-th square number.

It is an amenable number.

20010287637796 is a deficient number, since it is larger than the sum of its proper divisors (15164901965933).

20010287637796 is an frugal number, since it uses more digits than its factorization.

20010287637796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996 (or 9998 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 20010287637796 in words is "twenty trillion, ten billion, two hundred eighty-seven million, six hundred thirty-seven thousand, seven hundred ninety-six".