20030251308 has 24 divisors (see below), whose sum is σ = 46777472448. Its totient is φ = 6671004816.

The previous prime is 20030251303. The next prime is 20030251313. The reversal of 20030251308 is 80315203002.

It is an interprime number because it is at equal distance from previous prime (20030251303) and next prime (20030251313).

It is not an unprimeable number, because it can be changed into a prime (20030251303) 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, 703666 + ... + 731577.

It is an arithmetic number, because the mean of its divisors is an integer number (1949061352).

Almost surely, 2^20030251308 is an apocalyptic number.

It is an amenable number.

20030251308 is an abundant number, since it is smaller than the sum of its proper divisors (26747221140).

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

20030251308 is a wasteful number, since it uses less digits than its factorization.

20030251308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436413 (or 1436411 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 20030251308 in words is "twenty billion, thirty million, two hundred fifty-one thousand, three hundred eight".