20067402 has 16 divisors (see below), whose sum is σ = 40989312. Its totient is φ = 6546720.

The previous prime is 20067379. The next prime is 20067407. The reversal of 20067402 is 20476002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20067407) 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, 35299 + ... + 35862.

It is an arithmetic number, because the mean of its divisors is an integer number (2561832).

Almost surely, 2^20067402 is an apocalyptic number.

20067402 is an abundant number, since it is smaller than the sum of its proper divisors (20921910).

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

20067402 is a wasteful number, since it uses less digits than its factorization.

20067402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71213.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20067402 is about 4479.6653892897. The cubic root of 20067402 is about 271.7463483797.

The spelling of 20067402 in words is "twenty million, sixty-seven thousand, four hundred two".