20290629020 has 24 divisors (see below), whose sum is σ = 43984848768. Its totient is φ = 7854436800.

The previous prime is 20290629019. The next prime is 20290629059. The reversal of 20290629020 is 2092609202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16362791 + ... + 16364030.

It is an arithmetic number, because the mean of its divisors is an integer number (1832702032).

Almost surely, 2^20290629020 is an apocalyptic number.

20290629020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20290629020 is an abundant number, since it is smaller than the sum of its proper divisors (23694219748).

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

20290629020 is a wasteful number, since it uses less digits than its factorization.

20290629020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32726861 (or 32726859 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 20290629020 in words is "twenty billion, two hundred ninety million, six hundred twenty-nine thousand, twenty".