20012255036 has 12 divisors (see below), whose sum is σ = 35464756320. Its totient is φ = 9879467520.

The previous prime is 20012255027. The next prime is 20012255059. The reversal of 20012255036 is 63055221002.

It is a super-2 number, since 2×20012255036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012254996 and 20012255014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31664645 + ... + 31665276.

It is an arithmetic number, because the mean of its divisors is an integer number (2955396360).

Almost surely, 2^20012255036 is an apocalyptic number.

It is an amenable number.

20012255036 is a deficient number, since it is larger than the sum of its proper divisors (15452501284).

20012255036 is a wasteful number, since it uses less digits than its factorization.

20012255036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63330004 (or 63330002 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20012255036 its reverse (63055221002), we get a palindrome (83067476038).

The spelling of 20012255036 in words is "twenty billion, twelve million, two hundred fifty-five thousand, thirty-six".