20213034 has 32 divisors (see below), whose sum is σ = 43623360. Its totient is φ = 6220032.

The previous prime is 20212991. The next prime is 20213047. The reversal of 20213034 is 43031202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3537 + ... + 7275.

It is an arithmetic number, because the mean of its divisors is an integer number (1363230).

Almost surely, 2^20213034 is an apocalyptic number.

20213034 is an abundant number, since it is smaller than the sum of its proper divisors (23410326).

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

20213034 is a wasteful number, since it uses less digits than its factorization.

20213034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20213034 is about 4495.8907904886. The cubic root of 20213034 is about 272.4021319004.

Adding to 20213034 its reverse (43031202), we get a palindrome (63244236).

The spelling of 20213034 in words is "twenty million, two hundred thirteen thousand, thirty-four".