2100220532 has 6 divisors (see below), whose sum is σ = 3675385938. Its totient is φ = 1050110264.

The previous prime is 2100220523. The next prime is 2100220547. The reversal of 2100220532 is 2350220012.

It can be written as a sum of positive squares in only one way, i.e., 2057892496 + 42328036 = 45364^2 + 6506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2100220532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262527563 + ... + 262527570.

It is an arithmetic number, because the mean of its divisors is an integer number (612564323).

Almost surely, 2^2100220532 is an apocalyptic number.

It is an amenable number.

2100220532 is a deficient number, since it is larger than the sum of its proper divisors (1575165406).

2100220532 is a wasteful number, since it uses less digits than its factorization.

2100220532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525055137 (or 525055135 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2100220532 is about 45828.1630877782. The cubic root of 2100220532 is about 1280.6239901937.

Adding to 2100220532 its reverse (2350220012), we get a palindrome (4450440544).

The spelling of 2100220532 in words is "two billion, one hundred million, two hundred twenty thousand, five hundred thirty-two".