20848377974 has 8 divisors (see below), whose sum is σ = 31317826008. Its totient is φ = 10409102640.

The previous prime is 20848377971. The next prime is 20848377983. The reversal of 20848377974 is 47977384802.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20848377971) 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, 7541447 + ... + 7544210.

It is an arithmetic number, because the mean of its divisors is an integer number (3914728251).

Almost surely, 2^20848377974 is an apocalyptic number.

20848377974 is a deficient number, since it is larger than the sum of its proper divisors (10469448034).

20848377974 is a wasteful number, since it uses less digits than its factorization.

20848377974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15086350.

The product of its (nonzero) digits is 18966528, while the sum is 59.

The spelling of 20848377974 in words is "twenty billion, eight hundred forty-eight million, three hundred seventy-seven thousand, nine hundred seventy-four".