20610498 has 16 divisors (see below), whose sum is σ = 41273856. Its totient is φ = 6861360.

The previous prime is 20610493. The next prime is 20610509. The reversal of 20610498 is 89401602.

It is not an unprimeable number, because it can be changed into a prime (20610493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4383 + ... + 7773.

It is an arithmetic number, because the mean of its divisors is an integer number (2579616).

Almost surely, 2^20610498 is an apocalyptic number.

20610498 is an abundant number, since it is smaller than the sum of its proper divisors (20663358).

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

20610498 is a wasteful number, since it uses less digits than its factorization.

20610498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 20610498 is about 4539.8786327390. The cubic root of 20610498 is about 274.1760372666.

The spelling of 20610498 in words is "twenty million, six hundred ten thousand, four hundred ninety-eight".