1895700020 has 24 divisors (see below), whose sum is σ = 4154056704. Its totient is φ = 725311136.

The previous prime is 1895700017. The next prime is 1895700029. The reversal of 1895700020 is 200075981.

It is a self number, because there is not a number n which added to its sum of digits gives 1895700020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1895700029) 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, 2060084 + ... + 2061003.

It is an arithmetic number, because the mean of its divisors is an integer number (173085696).

Almost surely, 2^1895700020 is an apocalyptic number.

1895700020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1895700020 is an abundant number, since it is smaller than the sum of its proper divisors (2258356684).

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

1895700020 is a wasteful number, since it uses less digits than its factorization.

1895700020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121119 (or 4121117 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1895700020 is about 43539.6373434598. The cubic root of 1895700020 is about 1237.6272741933.

The spelling of 1895700020 in words is "one billion, eight hundred ninety-five million, seven hundred thousand, twenty".