20020143948 has 48 divisors (see below), whose sum is σ = 53406415104. Its totient is φ = 5717966400.

The previous prime is 20020143919. The next prime is 20020144003. The reversal of 20020143948 is 84934102002.

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, 197686 + ... + 281282.

It is an arithmetic number, because the mean of its divisors is an integer number (1112633648).

Almost surely, 2^20020143948 is an apocalyptic number.

20020143948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20020143948 is an abundant number, since it is smaller than the sum of its proper divisors (33386271156).

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

20020143948 is a wasteful number, since it uses less digits than its factorization.

20020143948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86462 (or 86460 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 20020143948 in words is "twenty billion, twenty million, one hundred forty-three thousand, nine hundred forty-eight".