1020201009998 has 16 divisors (see below), whose sum is σ = 1533676506000. Its totient is φ = 508975920000.

The previous prime is 1020201009917. The next prime is 1020201010007. The reversal of 1020201009998 is 8999001020201.

1020201009998 is a modest number, since divided by 1009998 gives 10202 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4990598 + ... + 5190998.

It is an arithmetic number, because the mean of its divisors is an integer number (95854781625).

Almost surely, 2^{1020201009998} is an apocalyptic number.

1020201009998 is a deficient number, since it is larger than the sum of its proper divisors (513475496002).

1020201009998 is a wasteful number, since it uses less digits than its factorization.

1020201009998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206003.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 1020201009998 in words is "one trillion, twenty billion, two hundred one million, nine thousand, nine hundred ninety-eight".