20357610406098 has 64 divisors (see below), whose sum is σ = 47181189629952. Its totient is φ = 5735312369280.

The previous prime is 20357610406033. The next prime is 20357610406129. The reversal of 20357610406098 is 89060401675302.

It is a self number, because there is not a number n which added to its sum of digits gives 20357610406098.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11142265 + ... + 12839987.

It is an arithmetic number, because the mean of its divisors is an integer number (737206087968).

It is a 1-persistent number, because it is pandigital, but 2⋅20357610406098 = 40715220812196 is not.

Almost surely, 2^{20357610406098} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20357610406098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23590594814976).

20357610406098 is an abundant number, since it is smaller than the sum of its proper divisors (26823579223854).

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

20357610406098 is a wasteful number, since it uses less digits than its factorization.

20357610406098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701719.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 20357610406098 in words is "twenty trillion, three hundred fifty-seven billion, six hundred ten million, four hundred six thousand, ninety-eight".