1900216700 has 18 divisors (see below), whose sum is σ = 4123470456. Its totient is φ = 760086640.

The previous prime is 1900216693. The next prime is 1900216751. The reversal of 1900216700 is 76120091.

It is a super-2 number, since 2×1900216700² = 7221647013917780000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1900216700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9500984 + ... + 9501183.

It is an arithmetic number, because the mean of its divisors is an integer number (229081692).

Almost surely, 2^1900216700 is an apocalyptic number.

1900216700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1900216700 is an abundant number, since it is smaller than the sum of its proper divisors (2223253756).

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

1900216700 is a wasteful number, since it uses less digits than its factorization.

1900216700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19002181 (or 19002174 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1900216700 is about 43591.4750840116. The cubic root of 1900216700 is about 1238.6094149378.

Adding to 1900216700 its reverse (76120091), we get a palindrome (1976336791).

The spelling of 1900216700 in words is "one billion, nine hundred million, two hundred sixteen thousand, seven hundred".