20021030001036 has 48 divisors (see below), whose sum is σ = 51907185484000. Its totient is φ = 6673572343296.

The previous prime is 20021030001001. The next prime is 20021030001059. The reversal of 20021030001036 is 63010003012002.

It is a super-2 number, since 2×20021030001036² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5652276 + ... + 8484708.

Almost surely, 2^{20021030001036} is an apocalyptic number.

It is an amenable number.

20021030001036 is an abundant number, since it is smaller than the sum of its proper divisors (31886155482964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021030001036 is a wasteful number, since it uses less digits than its factorization.

20021030001036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897895 (or 2897887 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20021030001036 its reverse (63010003012002), we get a palindrome (83031033013038).

The spelling of 20021030001036 in words is "twenty trillion, twenty-one billion, thirty million, one thousand, thirty-six".