20090098784 has 36 divisors (see below), whose sum is σ = 46009917324. Its totient is φ = 8610041664.

The previous prime is 20090098771. The next prime is 20090098813. The reversal of 20090098784 is 48789009002.

It is a super-2 number, since 2×20090098784² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6404714 + ... + 6407849.

It is an arithmetic number, because the mean of its divisors is an integer number (1278053259).

Almost surely, 2^20090098784 is an apocalyptic number.

It is an amenable number.

20090098784 is an abundant number, since it is smaller than the sum of its proper divisors (25919818540).

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

20090098784 is a wasteful number, since it uses less digits than its factorization.

20090098784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12812587 (or 12812572 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 20090098784 in words is "twenty billion, ninety million, ninety-eight thousand, seven hundred eighty-four".