20002551344 has 10 divisors (see below), whose sum is σ = 38754943260. Its totient is φ = 10001275664.

The previous prime is 20002551341. The next prime is 20002551347. The reversal of 20002551344 is 44315520002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20002551341) and next prime (20002551347).

It is not an unprimeable number, because it can be changed into a prime (20002551341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625079714 + ... + 625079745.

It is an arithmetic number, because the mean of its divisors is an integer number (3875494326).

Almost surely, 2^20002551344 is an apocalyptic number.

It is an amenable number.

20002551344 is a deficient number, since it is larger than the sum of its proper divisors (18752391916).

20002551344 is a wasteful number, since it uses less digits than its factorization.

20002551344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250159467 (or 1250159461 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20002551344 in words is "twenty billion, two million, five hundred fifty-one thousand, three hundred forty-four".