20042074 has 32 divisors (see below), whose sum is σ = 35280000. Its totient is φ = 8455104.

The previous prime is 20042059. The next prime is 20042101. The reversal of 20042074 is 47024002.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 13627 + ... + 15025.

It is an arithmetic number, because the mean of its divisors is an integer number (1102500).

Almost surely, 2^20042074 is an apocalyptic number.

20042074 is a deficient number, since it is larger than the sum of its proper divisors (15237926).

20042074 is a wasteful number, since it uses less digits than its factorization.

20042074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 20042074 is about 4476.8374998429. The cubic root of 20042074 is about 271.6319723510.

Adding to 20042074 its reverse (47024002), we get a palindrome (67066076).

The spelling of 20042074 in words is "twenty million, forty-two thousand, seventy-four".