20222877240 has 96 divisors (see below), whose sum is σ = 69183550800. Its totient is φ = 5108935680.

The previous prime is 20222877223. The next prime is 20222877281. The reversal of 20222877240 is 4277822202.

It is a super-3 number, since 3×20222877240³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20222877195 and 20222877204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1471441 + ... + 1485120.

Almost surely, 2^20222877240 is an apocalyptic number.

20222877240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222877240 is an abundant number, since it is smaller than the sum of its proper divisors (48960673560).

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

20222877240 is a wasteful number, since it uses less digits than its factorization.

20222877240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956597 (or 2956590 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The spelling of 20222877240 in words is "twenty billion, two hundred twenty-two million, eight hundred seventy-seven thousand, two hundred forty".