20193498 has 24 divisors (see below), whose sum is σ = 47118708. Its totient is φ = 6213312.

The previous prime is 20193469. The next prime is 20193521. The reversal of 20193498 is 89439102.

It can be written as a sum of positive squares in 2 ways, for example, as 15896169 + 4297329 = 3987^2 + 2073^2 .

It is a super-2 number, since 2×20193498² = 815554722952008, which 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, 42915 + ... + 43382.

Almost surely, 2^20193498 is an apocalyptic number.

20193498 is an abundant number, since it is smaller than the sum of its proper divisors (26925210).

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

20193498 is a wasteful number, since it uses less digits than its factorization.

20193498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86318 (or 86315 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 20193498 is about 4493.7176146260. The cubic root of 20193498 is about 272.3143442640.

The spelling of 20193498 in words is "twenty million, one hundred ninety-three thousand, four hundred ninety-eight".