20514534 has 16 divisors (see below), whose sum is σ = 41104560. Its totient is φ = 6825600.

The previous prime is 20514523. The next prime is 20514541. The reversal of 20514534 is 43541502.

It is a super-2 number, since 2×20514534² = 841692210474312, which contains 22 as substring.

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, 762 + ... + 6450.

It is an arithmetic number, because the mean of its divisors is an integer number (2569035).

Almost surely, 2^20514534 is an apocalyptic number.

20514534 is an abundant number, since it is smaller than the sum of its proper divisors (20590026).

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

20514534 is a wasteful number, since it uses less digits than its factorization.

20514534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 20514534 is about 4529.2972964909. The cubic root of 20514534 is about 273.7498471674.

The spelling of 20514534 in words is "twenty million, five hundred fourteen thousand, five hundred thirty-four".