1020020220011 has 8 divisors (see below), whose sum is σ = 1116491237904. Its totient is φ = 926121762720.

The previous prime is 1020020219993. The next prime is 1020020220017. The reversal of 1020020220011 is 1100220200201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020020220011 is a prime.

It is a super-3 number, since 3×1020020220011³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020020219974 and 1020020220001.

It is not an unprimeable number, because it can be changed into a prime (1020020220017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643139321 + ... + 643140906.

It is an arithmetic number, because the mean of its divisors is an integer number (139561404738).

Almost surely, 2^{1020020220011} is an apocalyptic number.

1020020220011 is a deficient number, since it is larger than the sum of its proper divisors (96471017893).

1020020220011 is a wasteful number, since it uses less digits than its factorization.

1020020220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286280301.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020020220011 its reverse (1100220200201), we get a palindrome (2120240420212).

The spelling of 1020020220011 in words is "one trillion, twenty billion, twenty million, two hundred twenty thousand, eleven".