20417526442 has 8 divisors (see below), whose sum is σ = 30628444896. Its totient is φ = 10208044812.

The previous prime is 20417526433. The next prime is 20417526449. The reversal of 20417526442 is 24462571402.

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

It is a super-3 number, since 3×20417526442³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20417526449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322948 + ... + 380959.

It is an arithmetic number, because the mean of its divisors is an integer number (3828555612).

Almost surely, 2^20417526442 is an apocalyptic number.

20417526442 is a deficient number, since it is larger than the sum of its proper divisors (10210918454).

20417526442 is a wasteful number, since it uses less digits than its factorization.

20417526442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718412.

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 20417526442 in words is "twenty billion, four hundred seventeen million, five hundred twenty-six thousand, four hundred forty-two".