20010354 has 64 divisors (see below), whose sum is σ = 50082816. Its totient is φ = 5189184.

The previous prime is 20010349. The next prime is 20010359. The reversal of 20010354 is 45301002.

It is an interprime number because it is at equal distance from previous prime (20010349) and next prime (20010359).

It is not an unprimeable number, because it can be changed into a prime (20010359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36309 + ... + 36855.

It is an arithmetic number, because the mean of its divisors is an integer number (782544).

Almost surely, 2^20010354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25041408).

20010354 is an abundant number, since it is smaller than the sum of its proper divisors (30072462).

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

20010354 is a wasteful number, since it uses less digits than its factorization.

20010354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20010354 is about 4473.2934176063. The cubic root of 20010354 is about 271.4885953785.

Adding to 20010354 its reverse (45301002), we get a palindrome (65311356).

The spelling of 20010354 in words is "twenty million, ten thousand, three hundred fifty-four".