207090001900 has 36 divisors (see below), whose sum is σ = 449712904032. Its totient is φ = 82775613760.

The previous prime is 207090001897. The next prime is 207090002003. The reversal of 207090001900 is 9100090702.

It is a super-2 number, since 2×207090001900² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616852 + ... + 891451.

It is an arithmetic number, because the mean of its divisors is an integer number (12492025112).

Almost surely, 2^207090001900 is an apocalyptic number.

207090001900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207090001900 is an abundant number, since it is smaller than the sum of its proper divisors (242622902132).

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

207090001900 is a wasteful number, since it uses less digits than its factorization.

207090001900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509690 (or 1509683 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The spelling of 207090001900 in words is "two hundred seven billion, ninety million, one thousand, nine hundred".