2202001020 has 72 divisors (see below), whose sum is σ = 6684678000. Its totient is φ = 586736640.

The previous prime is 2202001003. The next prime is 2202001093. The reversal of 2202001020 is 201002022.

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

It is a junction number, because it is equal to n+sod(n) for n = 2202000993 and 2202001011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265740 + ... + 273900.

It is an arithmetic number, because the mean of its divisors is an integer number (92842750).

Almost surely, 2^2202001020 is an apocalyptic number.

2202001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202001020 is an abundant number, since it is smaller than the sum of its proper divisors (4482676980).

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

2202001020 is a wasteful number, since it uses less digits than its factorization.

2202001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675 (or 9670 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2202001020 is about 46925.4836948965. The cubic root of 2202001020 is about 1300.9856469808.

Adding to 2202001020 its reverse (201002022), we get a palindrome (2403003042).

The spelling of 2202001020 in words is "two billion, two hundred two million, one thousand, twenty".