20220001011 has 24 divisors (see below), whose sum is σ = 33478132064. Its totient is φ = 11519988480.

The previous prime is 20220000973. The next prime is 20220001027. The reversal of 20220001011 is 11010002202.

It is not a de Polignac number, because 20220001011 - 2¹⁹ = 20219476723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220000984 and 20220001002.

It is not an unprimeable number, because it can be changed into a prime (20220001051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454960 + ... + 497421.

Almost surely, 2^20220001011 is an apocalyptic number.

20220001011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20220001011 is a deficient number, since it is larger than the sum of its proper divisors (13258131053).

20220001011 is a wasteful number, since it uses less digits than its factorization.

20220001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952731 (or 952728 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20220001011 its reverse (11010002202), we get a palindrome (31230003213).

The spelling of 20220001011 in words is "twenty billion, two hundred twenty million, one thousand, eleven".