20623098 has 16 divisors (see below), whose sum is σ = 41390496. Its totient is φ = 6850320.

The previous prime is 20623087. The next prime is 20623103. The reversal of 20623098 is 89032602.

It is a super-2 number, since 2×20623098² = 850624342235208, which contains 22 as substring.

It is a Curzon 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, 4108 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (2586906).

Almost surely, 2^20623098 is an apocalyptic number.

20623098 is an abundant number, since it is smaller than the sum of its proper divisors (20767398).

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

20623098 is a wasteful number, since it uses less digits than its factorization.

20623098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12029.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 20623098 is about 4541.2661230102. The cubic root of 20623098 is about 274.2318973810.

The spelling of 20623098 in words is "twenty million, six hundred twenty-three thousand, ninety-eight".