20514413 has 8 divisors (see below), whose sum is σ = 21620736. Its totient is φ = 19426000.

The previous prime is 20514409. The next prime is 20514421. The reversal of 20514413 is 31441502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20514413 - 2² = 20514409 is a prime.

It is a super-2 number, since 2×20514413² = 841682281469138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514443) 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, 2093 + ... + 6738.

It is an arithmetic number, because the mean of its divisors is an integer number (2702592).

Almost surely, 2^20514413 is an apocalyptic number.

20514413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20514413 is a deficient number, since it is larger than the sum of its proper divisors (1106323).

20514413 is a wasteful number, since it uses less digits than its factorization.

20514413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8955.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20514413 is about 4529.2839389908. The cubic root of 20514413 is about 273.7493089507.

Adding to 20514413 its reverse (31441502), we get a palindrome (51955915).

The spelling of 20514413 in words is "twenty million, five hundred fourteen thousand, four hundred thirteen".